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

What is Win32/LockScreen.ACS infection?

In this short article you will locate concerning the interpretation of Win32/LockScreen.ACS and its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a sufferer.

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Most of the situations, Win32/LockScreen.ACS virus will advise its victims to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has presented to the target’s device.

Win32/LockScreen.ACS Summary

These adjustments can be as follows:

  • Unconventionial language used in binary resources: Russian;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard drive — so the victim can no more utilize the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains Trojan.Ransomlock


One of the most regular networks through which Win32/LockScreen.ACS Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a resource that organizes a malicious software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or stop the device from working in a proper way – while likewise putting a ransom note that mentions the demand for the victims to effect the repayment for the purpose of decrypting the papers or restoring the file system back to the first condition. In a lot of circumstances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Win32/LockScreen.ACS circulation channels.

In various corners of the world, Win32/LockScreen.ACS expands by jumps and also bounds. However, the ransom money notes and also tricks of obtaining the ransom money amount might differ depending upon certain neighborhood (regional) setups. The ransom money notes as well as tricks of extorting the ransom money amount might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software application.

    In particular areas, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the sufferer’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber frauds. Alternatively, the Win32/LockScreen.ACS popup alert might incorrectly assert to be stemming from a law enforcement establishment as well as will report having situated child porn or various other unlawful information on the tool.

    Win32/LockScreen.ACS popup alert may wrongly declare to be deriving from a law enforcement establishment and will report having situated child porn or other unlawful data on the device. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 4B38FAF4
md5: 14a60e84f9ad19b366861813206f4911
name: 14A60E84F9AD19B366861813206F4911.mlw
sha1: 12303d0b4fbf3e4ecd18a35f7d4f1efcf3a1ae45
sha256: e0c90a05c082e75d911413be85ff2db4e71a47eba66ddcb706c0ddb4634921d4
sha512: be05dfcc0302923760ca619b2855470c27a31a964bc68b56857e6593e3c51aa310ffad80ccc7ce7d99825738af3291ca3b1639d644363d70cf1b16d93aab3dbb
ssdeep: 192:oXHsmNZ2Hp3REsaiZcUrI8XDAj5SPQvEfT17W1nHZ29uAMDwOxwuUH1:oXDzejtI8ISPtT1KdHs9dMUZ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.ACS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop.65284
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ser.Mikey.2065
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Ser.Mikey.2065
Cybereason malicious.4f9ad1
Symantec Trojan.Ransomlock
ESET-NOD32 a variant of Win32/LockScreen.ACS
APEX Malicious
ClamAV Win.Trojan.Ransom-6957
Alibaba Trojan:Win32/LockScreen.22de5573
NANO-Antivirus Trojan.Win32.Winlock.bsinq
MicroWorld-eScan Gen:Variant.Ser.Mikey.2065
Ad-Aware Gen:Variant.Ser.Mikey.2065
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Trojan.Ransom.~B@465pcw
McAfee-GW-Edition Ransom-AA
Emsisoft Gen:Variant.Ser.Mikey.2065 (B)
SentinelOne Static AI – Malicious PE
Antiy-AVL Trojan/Generic.ASMalwS.15F8B3
Microsoft Trojan:Win32/Dynamer!dtc
Arcabit Trojan.Ser.Mikey.D811
GData Gen:Variant.Ser.Mikey.2065
Acronis suspicious
McAfee Ransom-AA
MAX malware (ai score=100)
VBA32 OScope.Trojan.PornoBlocker.Restarter
Panda Trj/Genetic.gen
Rising Ransom.HmBlocker!8.2A63 (TFE:dGZlOgP8bJa9Blt5YA)
Yandex Trojan.GenAsa!HteQZjrWaJI
Ikarus Trojan.Win32.LockScreen
MaxSecure Trojan.Malware.1918698.susgen
Fortinet W32/Kryptik.19500!tr

How to remove Win32/LockScreen.ACS 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.ACS 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 Win32/LockScreen.ACS 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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