What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Spyware.Agent.MSIL detection name means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.
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Spyware.Agent.MSIL detection is a virus detection you can spectate in your system. It often appears after the preliminary activities on your computer – opening the dubious e-mail messages, clicking the advertisement in the Web or installing the program from unreliable sources. From the moment it shows up, you have a short time to act until it begins its malicious action. And be sure – it is better not to wait for these harmful things.

What is Spyware.Agent.MSIL virus?

Spyware.Agent.MSIL is ransomware-type malware. It searches for the documents on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a lot of damage to your system. It changes the networking setups in order to prevent you from checking out the removal tutorials or downloading the anti-malware program. In some cases, Spyware.Agent.MSIL can additionally prevent the setup of anti-malware programs.

Spyware.Agent.MSIL Summary

In total, Spyware.Agent.MSIL malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Anomalous file deletion behavior detected (10+);
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • .NET file is packed/obfuscated with SmartAssembly;
  • Authenticode signature is invalid;
  • Anomalous .NET characteristics;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Installs itself for autorun at Windows startup;
  • Attempts to bypass application whitelisting by executing .NET utility in a suspended state, potentially for injection;
  • CAPE detected the NetWire malware family;
  • Creates a copy of itself;
  • Ciphering the files kept on the victim’s disk drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Related domains:


Ransomware has been a headache for the last 4 years. It is difficult to imagine a more dangerous malware for both individuals and corporations. The algorithms utilized in Spyware.Agent.MSIL (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 already exists, and possibly will exist. However, that virus does not do all these unpleasant things without delay – it can take up to a few hours to cipher all of your documents. Therefore, seeing the Spyware.Agent.MSIL detection is a clear signal that you should begin the clearing procedure.

Where did I get the Spyware.Agent.MSIL?

General tactics of Spyware.Agent.MSIL injection are common for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a relatively new strategy in malware spreading – you receive the e-mail that imitates some normal notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is an infected MS Office file, or a web link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks fairly simple, but still requires tons of focus. Malware can hide in different places, and it is much better to prevent it even before it goes into your computer than to rely upon an anti-malware program. Simple cybersecurity awareness is just an important thing in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a lot of time and money which you would spend while trying to find a fix guide.

Spyware.Agent.MSIL malware technical details

File Info:

name: 8B20F21CD6089BB40345.mlw
path: /opt/CAPEv2/storage/binaries/66dd1e10a757b08687eaf97491f08e24946a2d01101958e86e0af570e9338aac
crc32: 3F7AFF31
md5: 8b20f21cd6089bb40345df474ce1730f
sha1: 6e5a8a565cb4ac86aa3391773c3bcf36882e2e68
sha256: 66dd1e10a757b08687eaf97491f08e24946a2d01101958e86e0af570e9338aac
sha512: 7524a36a4d95bd305fb69e53399c660feb1ad327ba356fa6668f916f37e26d93e819d958ae9c322cd90525a07e6057383bcb2df1da7c0452dde88576b646df78
ssdeep: 6144:d+A7gSFbq85PaVCfGLeRiZq+v7F9P0W2zJuu3kzCmybC/b2:jgSd5SVCfGLeRiZbvfjpCm0w
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15394632D29EB5119F0B3EFF96DE86491ADDF7EA32605980E10E10347CE12B41FD92939
sha3_384: e280c85de96a11f16edddb02b18dd2cc27f386153c31a0fc3113e41ef17fa1668bf9c33dfab75140fbb74ae6942fd7ad
ep_bytes: ff250020400000000000000000000000
timestamp: 2017-12-04 01:57:57

Version Info:

CompanyName: YANDEX LLC
FileDescription: Yandex
InternalName: chrome_exe
LegalCopyright: Copyright © 2012-2016 YANDEX LLC. All Rights Reserved.
OriginalFilename: browser.exe
ProductName: Yandex
ProductChromiumVersion: 61.0.3163.100
CompanyShortName: YANDEX LLC
ProductShortName: Yandex
LastChange: a597e521c65cc529fb8afc9351d1ea2d7fff6a47-
Official Build: 1
Translation: 0x0409 0x04b0

Spyware.Agent.MSIL also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0052a44b1 )
K7GWTrojan ( 0052a44b1 )
ESET-NOD32a variant of MSIL/Kryptik.NIK
SophosMal/Generic-R + Mal/MSIL-TJ
EmsisoftGen:Trojan.Mardom.MN.13 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=98)
CynetMalicious (score: 99)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Spyware.Agent.MSIL?

Spyware.Agent.MSIL malware is very difficult to erase by hand. It stores its files in several locations throughout the disk, and can recover itself from one of the parts. Moreover, numerous changes in the registry, networking configurations and also Group Policies are pretty hard to discover and return to the initial. It is better to utilize a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated practically every hour. In addition, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect 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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