What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Virlock.AB infection?

In this short article you will find concerning the meaning of Win32/Virlock.AB as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom money by a target.

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Most of the cases, Win32/Virlock.AB virus will advise its victims to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the target’s tool.

Win32/Virlock.AB Summary

These modifications can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • Expresses interest in specific running processes;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Attempts to disable UAC;
  • Anomalous binary characteristics;
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the target’s hard disk drive — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Related domains: Ransom.PolyRansom.F3 Ransom.PolyRansom.F3


The most common networks where Win32/Virlock.AB Ransomware are infused are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a destructive software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s PC or stop the device from functioning in a correct way – while additionally placing a ransom note that discusses the need for the sufferers to effect the payment for the function of decrypting the files or restoring the file system back to the first problem. In the majority of instances, the ransom note will turn up when the customer restarts the COMPUTER after the system has currently been damaged.

Win32/Virlock.AB distribution channels.

In different corners of the globe, Win32/Virlock.AB grows by jumps and also bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom amount may vary depending on particular local (local) settings. The ransom notes as well as methods of obtaining the ransom quantity might differ depending on certain local (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the target’s device. The sharp after that requires the user to pay the ransom money.

    Faulty declarations about prohibited material.

    In nations where software program piracy is much less popular, this technique is not as reliable for the cyber frauds. Alternatively, the Win32/Virlock.AB popup alert may wrongly claim to be deriving from a law enforcement establishment and also will report having situated child porn or various other unlawful information on the device.

    Win32/Virlock.AB popup alert might incorrectly claim to be acquiring from a legislation enforcement institution and also will report having situated youngster pornography or various other prohibited information on the device. The alert will similarly consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 4746543D
md5: 59b685d89589411b94c1c6cd41a7b9cd
name: 59B685D89589411B94C1C6CD41A7B9CD.mlw
sha1: 55af0bba79fc9126495a0e3efe26c4f0bc333cdb
sha256: 8f3aa9369e1e1d561055710d538b9458c267fb52820040e7114ea7a466259e6e
sha512: ec5e5df348a7a62a054e64acd58808315dd49c9a1753a7b35c280f9c148738327a57b81b17271fa1cf3168c50de29288fadd80aeb3562261bd85d6f38b9e2737
ssdeep: 12288:MFwZyT8vgWc95kqkLfYrQ5D6Rem70Ck76EMcD8Mj3QT5w93TG/Jo4WtxIJW:DZTvzcvkTLoQVng0b7HMcm5PBv5JW
type: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

Win32/Virlock.AB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Win32.VirLock.16
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.PolyRansom.F3
ALYac Gen:Variant.Jaik.46443
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Virus:Win32/Virlock.82682e58
K7GW Riskware ( 0040eff71 )
Cybereason malicious.895894
Cyren W32/Hupigon.CB.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Virlock.AB
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Jaik.46443
NANO-Antivirus Trojan.Win32.PolyRansom.fnoxta
MicroWorld-eScan Gen:Variant.Jaik.46443
Tencent Win32.Virus.Virlock.Syig
Ad-Aware Gen:Variant.Jaik.46443
Comodo Malware@#14wzhowhw4ram
BitDefenderTheta AI:Packer.6D5572521E
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
Emsisoft Gen:Variant.Jaik.46443 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/PSW.Lmir.dah
Antiy-AVL Trojan/Generic.ASMalwS.2AB2701
Microsoft Trojan:Win32/Wacatac.B!ml
GData Gen:Variant.Jaik.46443
McAfee Artemis!59B685D89589
MAX malware (ai score=84)
VBA32 BScope.Trojan.Staser
Ikarus Virus.Win32.Sality
Fortinet W32/Virlock.J
AVG Win32:Malware-gen

How to remove Win32/Virlock.AB virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32/Virlock.AB 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Virlock.AB you can always ask me in the comments for getting help.

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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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