Adware.WebSearch

What is Adware.WebSearch infection?

In this post you will locate regarding the definition of Adware.WebSearch and also its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by online fraudulences to demand paying the ransom by a target.

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In the majority of the situations, Adware.WebSearch infection will instruct its targets to initiate funds move for the purpose of counteracting the changes that the Trojan infection has presented to the target’s device.

Adware.WebSearch Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Presents an Authenticode digital signature;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Network activity contains more than one unique useragent.;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard drive — so the target can no more make use of the data;
  • Preventing normal accessibility to the victim’s workstation;

Adware.WebSearch

The most regular channels through which Adware.WebSearch are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual ending up on a source that holds a malicious software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the target’s computer or prevent the device from working in an appropriate way – while also putting a ransom money note that states the need for the targets to effect the settlement for the objective of decrypting the records or restoring the documents system back to the first problem. In most circumstances, the ransom money note will come up when the customer reboots the PC after the system has already been harmed.

Adware.WebSearch distribution channels.

In different edges of the globe, Adware.WebSearch grows by jumps and also bounds. Nonetheless, the ransom money notes and methods of extorting the ransom amount may differ depending on certain neighborhood (regional) setups. The ransom notes and tricks of obtaining the ransom money amount might differ depending on specific local (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the target’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding illegal content.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber scams. Alternatively, the Adware.WebSearch popup alert may incorrectly claim to be deriving from a law enforcement establishment and also will certainly report having located kid porn or various other illegal data on the gadget.

    Adware.WebSearch popup alert may incorrectly declare to be deriving from a legislation enforcement organization and will certainly report having situated child pornography or various other illegal data on the gadget. The alert will in a similar way contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 99125A35
md5: 1f3ebc927683b448c6715191e456e20f
name: 1F3EBC927683B448C6715191E456E20F.mlw
sha1: d43564868e2e9a480145cf433f794f4c4c58bf2d
sha256: 7dfe57e7169ee2eea06352f575caf7af657ce8040b4280f9897ba17f7e7f3977
sha512: c0ccd168ebcdaa4101fb3687dd039d745fbfc624d33d1c1e601154f0c0ef5c1a527d11545730905d3ba816a68802d2235d998f6b702ab595a95424b36c8ac27b
ssdeep: 24576:ed3jC28zwCD00HxM0J2xTeFl84PldKBtQqIqr5klTBgv8jXu7Fmrve9:kzOzwCDJHPYdIlDeyqINBgUjXu7Fma9
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: (c) 2018 Polarity Technologies Ltd
FileVersion: 2.29.0.32
CompanyName: Polarity Technologies Ltd
ProductName: Desktop Search Bar
ProductVersion: 2.29.0.32
FileDescription: Desktop web search
OriginalFilename: SBInstaller
Translation: 0x0409 0x0000

Adware.WebSearch also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Adware ( 0053b2bb1 )
Elastic malicious (high confidence)
DrWeb Adware.Spigot.149
Cynet Malicious (score: 100)
ALYac Dropped:Trojan.GenericKD.34104561
Cylance Unsafe
Zillya Tool.WebToolbar.Win32.23
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba AdWare:Win32/BrowserIO.20864567
K7GW Adware ( 0053b2bb1 )
Cybereason malicious.27683b
Symantec Trojan Horse
ESET-NOD32 a variant of Win32/Adware.BrowserIO.C
APEX Malicious
Avast Win32:AdwareSig [Adw]
ClamAV Win.Trojan.Generic-6931301-0
Kaspersky HEUR:Trojan-Ransom.Win32.Blocker.gen
BitDefender Dropped:Trojan.GenericKD.34104561
NANO-Antivirus Riskware.Win32.WebSearch.fjeunv
SUPERAntiSpyware Adware.Spigot/Variant
MicroWorld-eScan Dropped:Trojan.GenericKD.34104561
Tencent Win32.Trojan.Blocker.Dzuk
Ad-Aware Dropped:Trojan.GenericKD.34104561
Sophos BrowserIO (PUA)
Comodo Application.Win32.BrowserIO.C@7v8oon
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0OCI21
McAfee-GW-Edition BehavesLike.Win32.Browser.tc
FireEye Generic.mg.1f3ebc927683b448
Emsisoft Dropped:Trojan.GenericKD.34104561 (B)
Avira ADWARE/OnlineIO.Gen
Microsoft BrowserModifier:Win32/SearchSetter
Arcabit Trojan.Generic.D20864F1
AegisLab Trojan.Win32.Blocker.j!c
GData Dropped:Trojan.GenericKD.34104561
AhnLab-V3 PUP/Win32.WebToolbar.R239059
Acronis suspicious
McAfee Artemis!1F3EBC927683
MAX malware (ai score=82)
VBA32 Adware.WebSearch
Malwarebytes Adware.BrowserIO
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Blocker.R002C0OCI21
Rising Malware.SearchSetter!8.FA57 (CLOUD)
Yandex Trojan.GenAsa!GaST7sujVuk
Ikarus AdWare.Spigot
Fortinet Riskware/BrowserIO
AVG Win32:AdwareSig [Adw]
Qihoo-360 Win32/Ransom.Blocker.HoMASOcA

How to remove Adware.WebSearch virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Adware.WebSearch files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Adware.WebSearch you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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