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

What is Win32/LockScreen.AAV infection?

In this article you will certainly find concerning the definition of Win32/LockScreen.AAV as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by on-line fraudulences to require paying the ransom by a target.

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Most of the cases, Win32/LockScreen.AAV virus will instruct its victims to launch funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the target’s device.

Win32/LockScreen.AAV Summary

These alterations can be as adheres to:

  • Creates RWX memory;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Attempts to restart the guest VM;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the target’s hard disk drive — so the sufferer can no more utilize the data;
  • Preventing normal accessibility to the target’s workstation;

Related domains: W32.RansomTO.Fam.Trojan W32.RansomTO.Fam.Trojan W32.RansomTO.Fam.Trojan W32.RansomTO.Fam.Trojan


The most normal networks through which Win32/LockScreen.AAV Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of customer ending up on a resource that holds a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the target’s computer or prevent the tool from functioning in an appropriate manner – while likewise positioning a ransom note that states the demand for the victims to impact the settlement for the objective of decrypting the records or recovering the file system back to the initial problem. In most instances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually currently been damaged.

Win32/LockScreen.AAV circulation networks.

In various corners of the world, Win32/LockScreen.AAV grows by jumps and bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom quantity might vary relying on specific local (regional) setups. The ransom money notes and also techniques of extorting the ransom quantity may vary depending on specific regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the target’s tool. The sharp after that requires the user to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as efficient for the cyber frauds. Conversely, the Win32/LockScreen.AAV popup alert might wrongly claim to be originating from a police organization and also will report having situated kid porn or various other illegal information on the tool.

    Win32/LockScreen.AAV popup alert might falsely assert to be obtaining from a legislation enforcement organization as well as will report having located child porn or various other unlawful information on the gadget. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 17D38D6A
md5: de7c934886783529efab7789664de1fd
name: DE7C934886783529EFAB7789664DE1FD.mlw
sha1: e1082896850a3c2388352781785e63adf398568f
sha256: 41be89418aa464c33dbe641506a23fa1e0a4ae9e1dce21172ed742c60df2b8c5
sha512: c4e08b1cbfe3dee39d649cc3ba9d0988f2f4e1aa90677fc47e9e6654731be45165ef46a287473db62535893382a5964821e38735092550ce98e7e92a663c4370
ssdeep: 768:l/Dn5PVJWinyJVU7to6UlBh1g07bxMeukEGwbDszNAY1XKoJc4P1:ppbnCVMo5lLP7bx0DDUt
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/LockScreen.AAV also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.RansomTO.Fam.Trojan
K7AntiVirus Trojan ( 0055e3df1 )
Lionic Trojan.Win32.HmBlocker.lwU0
Elastic malicious (high confidence)
DrWeb Trojan.Packed.317
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanDropper.Wlock.AA6
ALYac Gen:Variant.Doina.11610
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:Win32/HmBlocker.f6e63a57
K7GW Trojan ( 0055e3df1 )
Cybereason malicious.886783
Cyren W32/Ransom.E.gen!Eldorado
Symantec Trojan.Ransomlock
ESET-NOD32 a variant of Win32/LockScreen.AAV
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Ransom.Win32.HmBlocker.anh
BitDefender Gen:Variant.Doina.11610
NANO-Antivirus Trojan.Win32.Winlock.bsinq
MicroWorld-eScan Gen:Variant.Doina.11610
Tencent Win32.Trojan.Hmblocker.Wuhg
Ad-Aware Gen:Variant.Doina.11610
Sophos ML/PE-A + Mal/Agent-IE
Comodo TrojWare.Win32.Trojan.Ransom.~B@465pcw
BitDefenderTheta AI:Packer.EED5C5221F
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.BrowseFox.pc
Emsisoft Gen:Variant.Doina.11610 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Ransom.ace
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Genasom.FF
Arcabit Trojan.Doina.D2D5A
GData Gen:Variant.Doina.11610
AhnLab-V3 Trojan/Win32.HmBlocker.R2314
McAfee GenericRXAA-AA!DE7C93488678
MAX malware (ai score=86)
VBA32 OScope.Trojan.PornoBlocker.Restarter
Panda Trj/CI.A
Yandex Trojan.HmBlocker!ZfgvALbSk5Q
Ikarus Trojan-Ransom.HmBlocker
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.19500!tr
AVG FileRepMalware

How to remove Win32/LockScreen.AAV ransomware?

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/LockScreen.AAV 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 Win32/LockScreen.AAV 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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