Written by Robert Bailey

What is MSIL/Kryptik.YSC infection?

In this article you will certainly find concerning the definition of MSIL/Kryptik.YSC as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is clarified by online scams to require paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

Most of the situations, MSIL/Kryptik.YSC virus will instruct its victims to start funds move for the purpose of neutralizing the changes that the Trojan infection has actually presented to the target’s device.

MSIL/Kryptik.YSC Summary

These alterations 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 records situated on the target’s hard drive — so the sufferer can no more make use of the information;
  • Preventing routine access to the sufferer’s workstation;


One of the most typical networks where MSIL/Kryptik.YSC Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a source that organizes a destructive software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or prevent the tool from operating in an appropriate fashion – while also placing a ransom note that mentions the requirement for the victims to effect the settlement for the purpose of decrypting the documents or recovering the data system back to the preliminary condition. In the majority of instances, the ransom money note will show up when the client restarts the COMPUTER after the system has actually already been damaged.

MSIL/Kryptik.YSC circulation networks.

In various corners of the world, MSIL/Kryptik.YSC expands by leaps and bounds. Nevertheless, the ransom notes and techniques of extorting the ransom money quantity may differ relying on particular neighborhood (regional) settings. The ransom money notes and tricks of extorting the ransom money amount may vary depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software application.

    In specific locations, the Trojans usually wrongfully report having identified some unlicensed applications allowed on the target’s device. The alert then requires the user to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Conversely, the MSIL/Kryptik.YSC popup alert may falsely claim to be originating from a police establishment and will certainly report having located kid porn or various other unlawful data on the tool.

    MSIL/Kryptik.YSC popup alert might falsely assert to be obtaining from a regulation enforcement institution and also will certainly report having located kid pornography or various other illegal information on the device. The alert will in a similar way have a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 3BCB1F9B
md5: d00e94febc69f2f0ebbb6cfacfd5ddff
sha1: 93f6509c8f2e93b518a2014c5af7a55f46f09133
sha256: 34534b9d35c76e689d24d61aacd8e96b5af15ac1ecc769fcb4680678259d67a1
sha512: 943f1dfdd6d260d75cd3e8a0ba6c18d20709359542555a2ad6ffb5c6987d5c84f14495a69521ec17b0f73a0251677c26119aab1bf7db0967b108be9c342d2eb9
ssdeep: 24576:1GCEHUxaE8s/xFqDh/GMcfBXNwczHe6L:cCE05/uDIJk8L
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright @ Microsoft 2005
Assembly Version: 1.0.7627.37269
InternalName: F4Ug.exe
FileVersion: 1.0.7627.37269
CompanyName: Microsoft
ProductName: BlackJack
ProductVersion: 1.0.7627.37269
FileDescription: BlackJack
OriginalFilename: F4Ug.exe

MSIL/Kryptik.YSC also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35285625
McAfee Artemis!D00E94FEBC69
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005736df1 )
BitDefender Trojan.GenericKD.35285625
K7GW Trojan ( 005736df1 )
Cybereason malicious.c8f2e9
BitDefenderTheta Gen:NN.ZemsilF.34634.Wu0@aa3iISe
Symantec Trojan.Gen.2
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Kaspersky HEUR:Trojan.MSIL.Agent.gen
Alibaba Trojan:MSIL/Kryptik.07444e5c
AegisLab Trojan.Win32.Malicious.4!c
Ad-Aware Trojan.GenericKD.35285625
Sophos Troj/MSIL-QFI
Comodo Malware@#1jvaj2hn2d031
Invincea Mal/Generic-S + Troj/MSIL-QFI
McAfee-GW-Edition BehavesLike.Win32.Packed.bc
Emsisoft Trojan.GenericKD.35285625 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
MAX malware (ai score=80)
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Trojan:Win32/Wacatac.D3!ml
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D21A6A79
ZoneAlarm HEUR:Trojan.MSIL.Agent.gen
GData Trojan.GenericKD.35285625
Cynet Malicious (score: 100)
ESET-NOD32 a variant of MSIL/Kryptik.YSC
VBA32 CIL.HeapOverride.Heur
ALYac Trojan.GenericKD.35285625
Malwarebytes Trojan.MalPack.PNG.Generic
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.MSIL.WACATAC.THKAIBO
Yandex Trojan.AvsArher.bUx2VN
Ikarus Trojan.MSIL.Inject
Fortinet PossibleThreat.PALLAS.H
AVG Win32:MalwareX-gen [Trj]
CrowdStrike win/malicious_confidence_70% (D)
Qihoo-360 Generic/HEUR/QVM03.0.5CF2.Malware.Gen

How to remove MSIL/Kryptik.YSC virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.YSC 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.YSC you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.