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

What is MSIL/KillFiles.AQ infection?

In this post you will locate about the interpretation of MSIL/KillFiles.AQ and its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom by a sufferer.

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Most of the cases, MSIL/KillFiles.AQ virus will advise its targets to launch funds transfer for the function of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s tool.

MSIL/KillFiles.AQ Summary

These adjustments can be as follows:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the victim’s disk drive — so the victim can no more utilize the information;
  • Preventing normal access 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.


The most typical networks whereby MSIL/KillFiles.AQ Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that holds a malicious software program;

As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or prevent the gadget from working in a correct way – while also placing a ransom money note that states the requirement for the targets to effect the settlement for the purpose of decrypting the files or recovering the data system back to the first condition. In the majority of instances, the ransom money note will certainly come up when the client restarts the PC after the system has actually already been damaged.

MSIL/KillFiles.AQ circulation networks.

In numerous edges of the world, MSIL/KillFiles.AQ grows by leaps and also bounds. However, the ransom money notes and techniques of extorting the ransom quantity may vary depending upon particular regional (local) setups. The ransom money notes as well as techniques of extorting the ransom quantity may vary depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications allowed on the target’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software program piracy is less preferred, this method is not as efficient for the cyber frauds. Conversely, the MSIL/KillFiles.AQ popup alert might wrongly assert to be stemming from a law enforcement institution as well as will report having situated child porn or other unlawful information on the device.

    MSIL/KillFiles.AQ popup alert may falsely assert to be acquiring from a regulation enforcement institution and will certainly report having located kid porn or various other unlawful data on the device. The alert will similarly include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: B33BA14F
md5: 3892d9775bd6597f489d59e8f8fb02b8
name: 3892D9775BD6597F489D59E8F8FB02B8.mlw
sha1: 20a420614de6ff2f71f4aafa1f6959631e66c4bd
sha256: 51b242cc4d4feada0587d9582422914d50b0b68aa148883f6330863d84e83d2c
sha512: 08cd0308abd186e58eb8e07c1d0fa90d7b8c893b61dd3dc7339e9b33e1d9258fe792f9e86becf1be32b1bf757dc29d1937b88edfa45cda9f4d33626873645024
ssdeep: 96:NSEtnxT44xLZYaLzXOZlJH7Jd+PB9z+4+ENOARS3giPX23Zfolt:NSEfTlxLZhoJbJcB5phNOohiPGJfOt
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version:
InternalName: DelShadows.exe
ProductName: DelShadows
FileDescription: DelShadows
OriginalFilename: DelShadows.exe

MSIL/KillFiles.AQ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Cynet Malicious (score: 85)
ALYac Trojan.RansomKD.6375135
Cylance Unsafe
Zillya Trojan.Generic.Win32.818312
Sangfor Trojan.MSIL.KillFiles.AQ
Alibaba Trojan:MSIL/KillFiles.f03fe426
K7GW Riskware ( 0040eff71 )
Cybereason malicious.75bd65
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/KillFiles.AQ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Trojan.RansomKD.6375135
NANO-Antivirus Trojan.Win32.DelFile.exctxl
MicroWorld-eScan Trojan.RansomKD.6375135
Tencent Win32.Trojan.Generic.Llhi
Ad-Aware Trojan.RansomKD.6375135
Sophos Mal/Generic-S
Comodo Malware@#3lezvoisjqq93
BitDefenderTheta Gen:NN.ZemsilF.34608.am0@aWXrITc
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXEI-DW!3892D9775BD6
FireEye Trojan.RansomKD.6375135
Emsisoft Trojan.Ransom.Unlock92 (A)
Avira TR/DelFile.eltil
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Tiggre!rfn
Arcabit Trojan.RansomKD.D6146DF
AegisLab Trojan.Win32.Generic.j!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData Trojan.RansomKD.6375135
McAfee GenericRXEI-DW!3892D9775BD6
VBA32 Trojan-Ransom.Gen
Panda Trj/GdSda.A
Rising Ransom.Gen!8.DE83 (CLOUD)
Ikarus Trojan.DelFile
Fortinet MSIL/KillFiles.AQ!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Trojan.Ransom.3e9

How to remove MSIL/KillFiles.AQ 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 MSIL/KillFiles.AQ 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 MSIL/KillFiles.AQ 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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