Adware.Agent (A)

Written by Robert Bailey

What is Adware.Agent (A) infection?

In this short article you will discover concerning the meaning of Adware.Agent (A) and its adverse effect on your computer. Such ransomware are a form of malware that is elaborated by on the internet scams to require paying the ransom money by a victim.

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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the instances, Adware.Agent (A) virus will advise its victims to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s gadget.

Adware.Agent (A) Summary

These adjustments can be as adheres to:

  • 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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
  • Collects information about installed applications;
  • 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.
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the target can no longer use the information;
  • Preventing normal accessibility to the victim’s workstation;

Adware.Agent (A)

The most common channels whereby Adware.Agent (A) Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a resource that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from working in a proper way – while also placing a ransom money note that mentions the requirement for the targets to effect the repayment for the objective of decrypting the files or recovering the data system back to the initial problem. In many circumstances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has currently been harmed.

Adware.Agent (A) circulation channels.

In numerous edges of the world, Adware.Agent (A) expands by leaps and bounds. Nonetheless, the ransom notes and also methods of extorting the ransom money quantity may differ relying on specific local (regional) settings. The ransom money notes and methods of obtaining the ransom money amount might differ depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In particular locations, the Trojans often wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software piracy is much less preferred, this technique is not as reliable for the cyber frauds. Additionally, the Adware.Agent (A) popup alert might wrongly assert to be originating from a law enforcement institution as well as will report having situated youngster pornography or other illegal data on the gadget.

    Adware.Agent (A) popup alert may falsely declare to be acquiring from a law enforcement organization and will certainly report having situated child porn or various other prohibited data on the device. The alert will likewise consist of a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 6B381805
md5: 79d35c1fedc5bd292a9f2de9df9f6bb7
name: upload_file
sha1: 817d1a366ba014af172a5eed5c55ece8181815c1
sha256: 23116fc1eec2da9db5fd9a850eaadf6a5f11a6dc5839feef08edece86bf4cbff
sha512: 40d7b95fadb92aacd235dca34b2fdf0b549aca77d828bfa8fc5b82150860cba43a23dbe770a278bd824708b0845b87adeb2326e646a590ae378e2b8535ee0f63
ssdeep: 24576:BbJbIGB3LHQTrk6ZcHz6GX6JZJObz6yqKVvv/INbE63Ocp43B2JE:BdIGB30TrLZcjX6JZJqzbrvz6ecp43Bl
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 2006 Microsoft Corporation. All rights reserved.
InternalName: EDITOR.EXE
FileVersion: 12.0.4518.1014
CompanyName: Microsoft Corporation
LegalTrademarks1: Microsoftxae is a registered trademark of Microsoft Corporation.
LegalTrademarks2: Windowsxae is a registered trademark of Microsoft Corporation.
ProductName: Microsoftxae Office Visioxae 2007
ProductVersion: 12.0.4518.1014
FileDescription: Microsoft code editor
OriginalFilename: EDITOR.EXE
Translation: 0x0000 0x04e4

Adware.Agent (A) also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.42058036
FireEye Generic.mg.79d35c1fedc5bd29
CAT-QuickHeal Trojan.Mauvaise.SL1
McAfee Trickbot-FRDP!79D35C1FEDC5
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 00538d6f1 )
BitDefender Trojan.GenericKD.42058036
K7GW Trojan ( 00538d6f1 )
Cybereason malicious.66ba01
Invincea heuristic
Cyren W32/Emotet.TZ.gen!Eldorado
Symantec Packed.Generic.459
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/CryptInject.d003cacf
NANO-Antivirus Trojan.Win32.Kryptik.fvehci
ViRobot Trojan.Win32.S.Sodinokibi.1207984
AegisLab Trojan.Win32.Generic.mDuT
Rising Trojan.Kryptik!8.8 (CLOUD)
Ad-Aware Trojan.GenericKD.42058036
Sophos Troj/Ransom-FOT
Comodo TrojWare.Win32.Ransom.Shade.VP@8e1mt6
F-Secure Heuristic.HEUR/AGEN.1127896
DrWeb Trojan.Encoder.29207
Zillya Trojan.Fsysna.Win32.18426
TrendMicro Ransom.Win32.SHADE.SMA.hp
Emsisoft Adware.Agent (A)
SentinelOne DFI – Malicious PE
Jiangmin Trojan.Generic.dzvmz
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1127896
Microsoft Trojan:Win32/CryptInject.SD!MTB
Arcabit Trojan.Generic.D281C134
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKD.42058036
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Bunitu.R285495
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34196.jr1@aabxQSgi
ALYac Trojan.Ransom.Shade
VBA32 Malware-Cryptor.Kirgudu
Malwarebytes Ransom.Troldesh
Panda Trj/GdSda.A
ESET-NOD32 Win32/Filecoder.Shade.B
TrendMicro-HouseCall Ransom.Win32.SHADE.SMA.hp
Tencent Malware.Win32.Gencirc.10b9b801
Yandex Trojan.Fsysna!
Ikarus Trojan.Win32.CryptInject
eGambit PE.Heur.InvalidSig
Fortinet W32/Kryptik.GLWT!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Generic/Trojan.66c

How to remove Adware.Agent (A) 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.Agent (A) 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Adware.Agent (A) 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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