What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/LockScreen.AOF detection name means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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MSIL/LockScreen.AOF detection is a malware detection you can spectate in your system. It often shows up after the provoking activities on your computer – opening the suspicious email, clicking the banner in the Internet or installing the program from unreliable resources. From the instance it appears, you have a short time to do something about it before it starts its destructive activity. And be sure – it is much better not to await these harmful things.

What is MSIL/LockScreen.AOF virus?

MSIL/LockScreen.AOF is ransomware-type malware. It searches for the documents on your computer, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a lot of harm to your system. It modifies the networking settings in order to avoid you from looking for the removal tutorials or downloading the anti-malware program. In some cases, MSIL/LockScreen.AOF can even prevent the setup of anti-malware programs.

MSIL/LockScreen.AOF Summary

Summarizingly, MSIL/LockScreen.AOF malware activities in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the documents kept on the target’s disk — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a major problem for the last 4 years. It is hard to realize a more harmful malware for both individuals and companies. The algorithms used in MSIL/LockScreen.AOF (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these terrible things immediately – it can take up to several hours to cipher all of your documents. Therefore, seeing the MSIL/LockScreen.AOF detection is a clear signal that you should begin the elimination process.

Where did I get the MSIL/LockScreen.AOF?

Usual tactics of MSIL/LockScreen.AOF spreading are basic for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a pretty modern strategy in malware distribution – you receive the e-mail that simulates some standard notifications about shipments or bank service conditions shifts. Inside of the email, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks quite uncomplicated, however, still demands a lot of recognition. Malware can hide in different places, and it is far better to stop it even before it goes into your PC than to rely on an anti-malware program. Standard cybersecurity awareness is just an essential item in the modern world, even if your relationship with a PC stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while searching for a fixing guide.

MSIL/LockScreen.AOF malware technical details

File Info:

name: 52C37A97BAAB826CEC04.mlw
path: /opt/CAPEv2/storage/binaries/4c99d957903c04b71fcbb612c30abbaa5afb71ab9234439e006ab36beea3d287
crc32: 7A6AB869
md5: 52c37a97baab826cec04febdf7f1db6f
sha1: 71a00896a403c87ea030241dc121d6385250d911
sha256: 4c99d957903c04b71fcbb612c30abbaa5afb71ab9234439e006ab36beea3d287
sha512: 4fc93848574cf591ef0e3a2e2f24f2450344c9cb236905e70e5c4021c4a8113fcc1148da8599eac95c3b1a6156148adaca99819dfda5af727bb90a045026d6a7
ssdeep: 1536:LsgLMKwqQ+c5FuwSTmI396yw5kOTYGXf3VQ:LsDqdRPzGX9Q
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T199436B8828A48522E9F64D3346A571405BB7EA06B774DFCB3C4191BAC16A7C44BB37F3
sha3_384: b88d4d2b3c7b36c77ecff53c364b683072b42315f1bb201176cd5ed669b481ef8422439a0707ffcf5ec1ff3b9de4c3c5
ep_bytes: ff250020400000000000000000000000
timestamp: 2022-02-08 13:21:51

Version Info:

Translation: 0x0000 0x04b0
CompanyName: Microsoft
FileDescription: Fake Ransomware
InternalName: Fake Ransomware.exe
LegalCopyright: Copyright © Microsoft 2021
OriginalFilename: Fake Ransomware.exe
ProductName: Fake Ransomware
Assembly Version:

MSIL/LockScreen.AOF also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 99)
ESET-NOD32a variant of MSIL/LockScreen.AOF
EmsisoftGen:Heur.Ransom.MSIL.!diop!.1 (B)
MAXmalware (ai score=85)
SentinelOneStatic AI – Malicious PE

How to remove MSIL/LockScreen.AOF?

MSIL/LockScreen.AOF malware is very hard to erase manually. It stores its data in numerous locations throughout the disk, and can get back itself from one of the parts. Additionally, a number of modifications in the registry, networking configurations and also Group Policies are fairly hard to identify and change to the initial. It is better to use a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware elimination objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated nearly every hour. Additionally, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for eliminating malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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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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