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

What is MSIL/Kryptik.GQF infection?

In this short article you will locate about the interpretation of MSIL/Kryptik.GQF and its negative influence on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom by a target.

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In the majority of the situations, MSIL/Kryptik.GQF infection will certainly instruct its victims to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the target’s device.

MSIL/Kryptik.GQF Summary

These adjustments can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Creates a copy of itself;
  • Ciphering the files found on the sufferer’s hard disk drive — so the victim can no more utilize the information;
  • Preventing routine accessibility to the victim’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 Gen:Variant.Ransom.Samsam.8 Gen:Variant.Ransom.Samsam.8


One of the most regular channels through which MSIL/Kryptik.GQF Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a resource that holds a destructive software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s PC or avoid the tool from functioning in an appropriate fashion – while additionally positioning a ransom note that mentions the need for the victims to impact the settlement for the purpose of decrypting the documents or restoring the data system back to the initial condition. In a lot of instances, the ransom money note will come up when the customer reboots the COMPUTER after the system has currently been harmed.

MSIL/Kryptik.GQF distribution channels.

In different corners of the world, MSIL/Kryptik.GQF grows by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money amount might vary depending on certain regional (local) setups. The ransom notes as well as methods of extorting the ransom amount may vary depending on specific local (regional) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In particular locations, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the target’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations about illegal web content.

    In nations where software application piracy is much less prominent, this technique is not as efficient for the cyber frauds. Conversely, the MSIL/Kryptik.GQF popup alert might wrongly claim to be stemming from a law enforcement establishment as well as will report having located child pornography or various other unlawful data on the gadget.

    MSIL/Kryptik.GQF popup alert may incorrectly claim to be obtaining from a legislation enforcement institution as well as will certainly report having situated kid porn or various other illegal data on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 07FECCDC
md5: 44b2226bdc6475796282754abf2d8743
name: 44B2226BDC6475796282754ABF2D8743.mlw
sha1: 5df092fea72e47202583cd190bcdebdb5f97e25b
sha256: 0f9e0e627453305534c51f1c84f6980143502071e0e2fb72820370806df33313
sha512: 6afcd845699d696a46147aae7155e58fb79736554117144eed8217abd1f78d166c58165dd0bc6db10a778efe9935f6476cdc0d14683f5d198c08211798a654b0
ssdeep: 6144:pp3muJB+dWJ2L3A2iJ63APHKmpu3SQYQoyO9PpFcwCrZiRhumcTHRV796JA0OD7:pp3muJB+EJ2L3A2iJ63APHKmpu3SQYQ
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

MSIL/Kryptik.GQF also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004f3ec21 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Samsam.8
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.153897
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Backdoor:MSIL/SpyGate.2588a0cb
K7GW Trojan ( 004f3ec21 )
Cybereason malicious.bdc647
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.GQF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Backdoor.MSIL.SpyGate.adww
BitDefender Gen:Variant.Ransom.Samsam.8
NANO-Antivirus Trojan.Win32.Kryptik.fgqtml
MicroWorld-eScan Gen:Variant.Ransom.Samsam.8
Tencent Msil.Backdoor.Spygate.Pdmg
Ad-Aware Gen:Variant.Ransom.Samsam.8
Sophos ML/PE-A
Comodo Malware@#269verunjllwq
BitDefenderTheta Gen:NN.ZemsilF.34690.riW@aCNzxd
Emsisoft Gen:Variant.Ransom.Samsam.8 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
Microsoft Backdoor:MSIL/Bladabindi
AegisLab Trojan.MSIL.SpyGate.m!c
GData Gen:Variant.Ransom.Samsam.8
McAfee Artemis!44B2226BDC64
MAX malware (ai score=100)
Rising Backdoor.Bladabindi!8.B1F (CLOUD)
Yandex Backdoor.SpyGate!tBhC8Jjydxk
Ikarus Trojan.MSIL.Crypt
Fortinet MSIL/Kryptik.GQF!tr
AVG Win32:Malware-gen

How to remove MSIL/Kryptik.GQF virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/Kryptik.GQF 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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If the guide doesn’t help you to remove MSIL/Kryptik.GQF 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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