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

What is Win32/LockScreen.AD infection?

In this short article you will certainly discover regarding the definition of Win32/LockScreen.AD and also its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by on-line frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/LockScreen.AD ransomware will instruct its sufferers to launch funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s device.

Win32/LockScreen.AD Summary

These modifications can be as adheres to:

  • A process attempted to delay the analysis task.;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Ciphering the records situated on the victim’s hard drive — so the target can no more utilize the data;
  • Preventing regular accessibility to the target’s workstation;


The most regular channels through which Win32/LockScreen.AD Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of customer ending up on a resource that hosts a destructive software program;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or prevent the tool from functioning in an appropriate fashion – while also putting a ransom note that mentions the requirement for the victims to impact the payment for the purpose of decrypting the papers or bring back the documents system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/LockScreen.AD distribution networks.

In numerous edges of the globe, Win32/LockScreen.AD grows by jumps and also bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money quantity might vary relying on certain local (regional) setups. The ransom notes and techniques of obtaining the ransom amount may vary depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s device. The alert then requires the individual to pay the ransom.

    Faulty statements concerning prohibited content.

    In countries where software program piracy is much less popular, this technique is not as reliable for the cyber fraudulences. Alternatively, the Win32/LockScreen.AD popup alert might wrongly declare to be deriving from a police establishment and will certainly report having situated child porn or other unlawful data on the device.

    Win32/LockScreen.AD popup alert may incorrectly declare to be obtaining from a law enforcement institution and also will report having situated child pornography or various other unlawful information on the device. The alert will likewise include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 4F3D5CF7
md5: 349a8efab2aaaea2f93436ab86e37f62
name: 349A8EFAB2AAAEA2F93436AB86E37F62.mlw
sha1: 1c2d05cf4f84f41246d8a417fa56d689332419e4
sha256: 2fd987b9df649fc517fbc9481a8f33fe3c711aea13b5fbbbddccd933e270a54c
sha512: bba8fd5a7b7d17f9ba89ae67aa48342ff8cce4feb6133adfcabce68e2d3c77519e6896091eb4875e2e2bf848de9d4e193a8e4884ca9f239eb1a1c3d010fa3a3e
ssdeep: 384:/Nxm6gUeVb3G2u3IBj0ZKyjuZMmlNQbgiB9D2JUY+GR6nRHxP1XVnnfI6gj9l:10PUY221J0ZKnjiB9SJX+GK11Xpnwr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.AD also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e4091 )
Lionic Trojan.Win32.ChameleonUnlicence.j!c
DrWeb Trojan.Winlock.123
Cynet Malicious (score: 99)
ALYac Trojan.Generic.2399199
Cylance Unsafe
Zillya Trojan.SMSer.Win32.10
Alibaba Ransom:Win32/ChameleonUnlicence.27951b29
K7GW Trojan ( 0055e4091 )
Cybereason malicious.ab2aaa
Cyren W32/Trojan.SLPE-1652
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.AD
APEX Malicious
Avast Win32:SMSer-B [Trj]
BitDefender Trojan.Generic.2399199
NANO-Antivirus Trojan.Win32.ChameleonUnlicence.ffkvip
MicroWorld-eScan Trojan.Generic.2399199
Tencent Win32.Trojan.Chameleonunlicence.Ljug
Ad-Aware Trojan.Generic.2399199
Sophos Mal/Generic-S
Comodo TrojWare.Win32.LockScreen.AD0@1lq556
BitDefenderTheta Gen:NN.ZexaF.34170.dmW@aegN6ph
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.Generic.2399199 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/
Webroot W32.Bumat.Gen
Avira TR/Ransom.SMSer.DM.10
Antiy-AVL Trojan/Generic.ASMalwS.326649
Microsoft Trojan:Win32/Bumat!rts
GData Trojan.Generic.2399199
TACHYON Trojan/W32.SMSer.49152
AhnLab-V3 Trojan/Win32.Blocker.R142724
McAfee Artemis!349A8EFAB2AA
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.WinBlocker
Panda Generic Malware
Rising [email protected] (RDML:67hYTbXvqQH7GcMz+gWj6g)
Yandex Trojan.GenAsa!P+jBZDog8Rg
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.6081084.susgen
Fortinet W32/SMSer.DM!tr
AVG Win32:SMSer-B [Trj]

How to remove Win32/LockScreen.AD ransomware?

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 Win32/LockScreen.AD 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/LockScreen.AD you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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