Win32/Vigram.A

Win32/Vigram.A Removal Guide
Written by Robert Bailey

If you spectate the alert of Win32/Vigram.A detection, it appears that your system has a problem. All malicious programs are dangerous, without any exceptions. Vigram floods your personal computer with a variety of advertisements, opens your browser without your intent and makes the system unprotected to other malware injection.

Any kind of malware exists with the only target – gain money on you. And the programmers of these things are not thinking of ethicality – they use all possible methods. Taking your personal data, receiving the comission for the ads you watch for them, utilizing your system to mine cryptocurrencies – that is not the complete list of what they do. Do you like to be a riding steed? That is a rhetorical question.

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What does the notification with Win32/Vigram.A detection mean?

The Win32/Vigram.A detection you can see in the lower right corner is shown to you by Microsoft Defender. That anti-malware software is pretty good at scanning, however, prone to be mainly unreliable. It is prone to malware attacks, it has a glitchy user interface and bugged malware clearing capabilities. Therefore, the pop-up which says concerning the Vigram is simply a notification that Defender has found it. To remove it, you will likely need to use another anti-malware program.

Win32/Vigram.A found

Microsoft Defender: “Win32/Vigram.A”

The exact Win32/Vigram.A virus is a very nasty thing. This malware demonstrates to you an extraordinary quantity of promotions. Have you ever saw the doorway websites? They are filled up only with banners – blinking, poorly made and with strange contents. Adware does the equivalent thing to all websites you open. That virus brings money to its creators in a very tricky way. You look at the banners – they receive money. In addition, these banners often include deceitful and explicit content. Penis enlargement, porn sites advertisements, suggests to purchase an iPhone for $50 – all these things are usual for adware.

Adware Summary:

Name Vigram Adware
Detection Win32/Vigram.A
Damage Display advertisements in the browser, which are not related to the sites the affected users are visiting.
Similar Mca Check Click, Captcha Amazingcontent Ads, News Necoxi Cc, News Cizere Popup, Playvideodirect Ads Removal, Lan04.biz Ads, News Karada Cc, Donemileliondol Info Ads
Fix Tool See If Your System Has Been Affected by Vigram adware

Vigram Adware Behaviour

Click to expand
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Unconventionial language used in binary resources: Russian;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30 days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus code from antiviruses and virus analysts.

File information

Click to expand
crc32: 32C92E0A
md5: c35c02ab3aa3ec5c9be1117003c64d02
name: medical_assistant.exe
sha1: e5ef4bab658ce4ee4946d98fd2a1401c829be093
sha256: c78d1304b60e913931073bed852ad4008917d3d8ddf9693b810a6651e492f14b
sha512: 9626e9f93660f4716bce0443331da37f93307f53bae7021062c4ae0c71ea6cfd3750dd53f38cf1b891190c3e993064177134e39cfffa1e5f48bf2833b3171673
ssdeep: 49152:pAI+rOo1pk7X6q1AxPyP98infTL09oaQZ1QQJUteSCiwFksWlWjsw3:pAI+rVy13P5nfvidQZ1fJCeUsz42
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: -
FileDescription: Medical Assistant 1.00 Installation
FileVersion: 1.00
Comments:
CompanyName: -
Translation: 0x0409 0x04e4

Alternative detection names

Click to expand
GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Application.Hacktool.UW
FireEye Application.Hacktool.UW
McAfee Artemis!C35C02AB3AA3
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Application.Hacktool.UW
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_60% (W)
Symantec ML.Attribute.HighConfidence
APEX Malicious
GData Application.Hacktool.UW
Kaspersky HackTool.Win32.Gamehack.agtr
Alibaba HackTool:Win32/Generic.67fe249a
Tencent Win32.Hacktool.Gamehack.Swkq
Endgame malicious (high confidence)
Emsisoft Application.Hacktool.UW (B)
Comodo Malware@#25awnu6ia5fxi
McAfee-GW-Edition BehavesLike.Win32.BadFile.vc
Trapmine malicious.moderate.ml.score
Sophos Generic PUA AD (PUA)
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
MAX malware (ai score=85)
Antiy-AVL GrayWare/Win32.Uwasson
Arcabit Application.Hacktool.UW
ZoneAlarm HackTool.Win32.Gamehack.agtr
Microsoft Program:Win32/Vigram.A
ESET-NOD32 Win32/GameHack.BBO potentially unsafe
TrendMicro-HouseCall TROJ_GEN.R01FH0CEB20
Rising PUF.Presenoker!8.F608 (TFE:5:XfBUwJr5JdK)
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_100%
Fortinet Riskware/GameHack
BitDefenderTheta Gen:NN.ZedlaF.34108.HmOfa4KOEml
Cybereason malicious.b3aa3e
Qihoo-360 Win32/Trojan.Hacktool.51a

Is Win32/Vigram.A dangerous?

Adware like Vigram one is not something contrasty, compared to some other advertising malware. But as it was pointed out, the banners it demonstrates to you are quite frequently loaded with illegal content. Even if you can identify fraud from adware – do you really like looking at promotions for free? Especially ones that cover your web browser window and also distract you from your working process? It seems that we already understand the reply.

How did I get this virus?

It is hard to line the sources of malware on your PC. Nowadays, things are mixed up, and spreading methods utilized by adware 5 years ago may be utilized by spyware these days. However, if we abstract from the exact spreading way and will think about why it works, the answer will be really simple – low level of cybersecurity understanding. Individuals press on advertisements on weird sites, click the pop-ups they receive in their web browsers, call the “Microsoft tech support” thinking that the odd banner that states about malware is true. It is necessary to understand what is legitimate – to prevent misconceptions when trying to find out a virus.

Microsoft tech support scam

The example of Microsoft Tech support scam banner

Nowadays, there are two of the most widespread tactics of malware spreading – bait e-mails and also injection into a hacked program. While the first one is not so easy to stay away from – you should know a lot to understand a fake – the 2nd one is very easy to solve: just do not use cracked programs. Torrent-trackers and other sources of “free” applications (which are, in fact, paid, but with a disabled license checking) are really a giveaway point of malware. And Win32/Vigram.A is just amongst them.

Remove Vigram with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Adwares as shown from our tests with the software, and we assure you that it can remove Vigram as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Vigram Adwares

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Vigram was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Vigram has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Vigram” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Vigram Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Vigram Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Vigram and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

Reset Browser settings after the adware attack

Adware makes a lot to keep annoying you even after being removed from your computer. It distorts the browser configurations, so it will not work correctly. Until you reset it, of course. Each browser has its own way to restore the default settings. Here are the guides for the most popular ones:

To reset Edge, do the following steps:
  1. Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option:
  2. Reseting the Edge browser

  3. After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original:
  4. Remove Win32/Vigram.A from Edge
For Mozilla Firefox, do the next actions:
  1. Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information”:
  2. The first step to revert Mozilla Firefox

  3. In the next screen, find the “Refresh Firefox” option:
  4. The second step of Firefox restoration
    After choosing this option, you will see the next message:
    The last step for Firefox - Win32/Vigram.A Removed!
If you use Google Chrome
  1. Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button:
  2. Browser Settings - Step 1

  3. In the appeared list, click on the “Restore settings to their original defaults”:
  4. Browser Settings - Step 2

  5. Finally, you will see the window, where you can see all the settings which will be reset to default:
  6. Browser Settings - Step 3 (Win32/Vigram.A Removed)
Opera can be reset in the next way
  1. Open Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click “Advanced” option, and choose “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option :
  2. The first step to revert Opera
  3. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown:
  4. The second step of Opera restoration (Win32/Vigram.A Removed)

When the browsers are reset, you need to make sure that your browser will be connected the proper DNS while connecting to the web page you need. Make a text file named “hosts” on your desktop, after that open it and fill it with the following content1:


# Copyright (c) 1993-2006 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handle within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost

Find the hosts.txt file in C:/Windows/System32/drivers/etc directory. Rename this file to “hosts.old.txt” (to distinguish it from the new one), and then move the file you created on the desktop to this folder. Remove the hosts.old from this folder. Now you have your hosts file as good as new.

Reset Browser settings with GridinSoft Anti-Malware

GridinSoft Anti-Malware offers its own way to reset the browsers. With the help of this program, you can reset all your browsers in just several clicks. It also resets the HOSTS file automatically, so you don’t need to make any excessive actions. To reset your browser with GridinSoft Anti-Malware, open the Tools tab, and click the “Reset browser settings” button.

Tools tab in GridinSoft Anti-Malware

You can see the list of the options for each browser. By default, they are set up in the manner which fits the majority of users. Press the “Reset” button (lower right corner). In a minute your browser will be as good as new.

Reset Browser Settings tab in GridinSoft Anti-Malware

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References

  1. Official Microsoft guide for hosts file reset.

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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