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

What is MSIL/Kryptik.OYV infection?

In this post you will certainly discover concerning the meaning of MSIL/Kryptik.OYV and also its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a sufferer.

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Most of the situations, MSIL/Kryptik.OYV ransomware will instruct its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the victim’s tool.

MSIL/Kryptik.OYV Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the documents found on the victim’s hard drive — so the sufferer can no longer make use of 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.


One of the most common networks whereby MSIL/Kryptik.OYV are injected are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or protect against the gadget from operating in a proper fashion – while likewise placing a ransom note that mentions the requirement for the sufferers to effect the payment for the objective of decrypting the files or restoring the data system back to the first condition. In most circumstances, the ransom money note will turn up when the client reboots the PC after the system has actually currently been damaged.

MSIL/Kryptik.OYV circulation networks.

In numerous corners of the world, MSIL/Kryptik.OYV expands by jumps and also bounds. However, the ransom money notes and also methods of obtaining the ransom money amount might differ depending upon particular neighborhood (regional) setups. The ransom money notes and tricks of extorting the ransom money amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having found some unlicensed applications allowed on the victim’s gadget. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations regarding unlawful material.

    In nations where software application piracy is less preferred, this approach is not as effective for the cyber scams. Alternatively, the MSIL/Kryptik.OYV popup alert might wrongly declare to be stemming from a law enforcement establishment and will report having situated kid pornography or other unlawful information on the tool.

    MSIL/Kryptik.OYV popup alert might incorrectly claim to be obtaining from a regulation enforcement organization as well as will report having situated youngster porn or other prohibited information on the tool. The alert will likewise include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: F573FF87
md5: 34084b30810290061b687734c1ca7df9
name: 34084B30810290061B687734C1CA7DF9.mlw
sha1: a6a5657cb391e649eb71a49a45ffdc721bba6bd4
sha256: 5632eddcbf7cbd4383ea4ae1f9290704bd37917644a8c7c6a5838bfcd332e441
sha512: cf7a6a57ee76d9919a19e0a25a4288a320cbe0acf8d38a42d1713150420c6ebbfea5c18a29ac78b15a69144e05158a6a7175c74ea675c79a74b2274dae6ae1cb
ssdeep: 12288:oV1Hqt7yZ7rw0NsKW1P2nYjC5/W+W/1uO7TncppHyIBpAIVk5NuxdwJH6Tl:oVp47ifRg2YjC419p7TncppHjAIVOub
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2018
Assembly Version:
InternalName: Thanos.exe
ProductName: gldzyngf
FileDescription: gldzyngf
OriginalFilename: Thanos.exe

MSIL/Kryptik.OYV also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005383fd1 )
ALYac Gen:Variant.Ransom.734
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.129391
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Blocker.66a299c1
K7GW Trojan ( 005383fd1 )
Cybereason malicious.081029
Cyren W32/Trojan.GFA.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.OYV
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.lcky
BitDefender Gen:Variant.Ransom.734
NANO-Antivirus Trojan.Win32.Blocker.ffquob
MicroWorld-eScan Gen:Variant.Ransom.734
Tencent Win32.Trojan.Blocker.Lgjo
Ad-Aware Gen:Variant.Ransom.734
Comodo Malware@#3eqfqbj0s5pb3
BitDefenderTheta Gen:NN.ZemsilF.34738.Tm0@aWkzqWd
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.dwe
Emsisoft Gen:Variant.Ransom.734 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.iqd
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1125893
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.2705338
Microsoft Trojan:Win32/Skeeyah.A!bit
AegisLab Trojan.Multi.Generic.4!c
GData Gen:Variant.Ransom.734
AhnLab-V3 Trojan/Win32.Kryptik.C2629705
McAfee Generic.dwe
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
Yandex Trojan.Blocker!v6/aw6d4UIE
Ikarus Trojan.MSIL.Crypt
Fortinet MSIL/Kryptik.OYV!tr
AVG Win32:Malware-gen

How to remove MSIL/Kryptik.OYV ransomware?

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.OYV 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/Kryptik.OYV 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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