MSIL/Kryptik.YFA

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

What is MSIL/Kryptik.YFA infection?

In this short article you will locate about the meaning of MSIL/Kryptik.YFA and its adverse impact on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to demand paying the ransom money by a sufferer.

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In the majority of the cases, MSIL/Kryptik.YFA ransomware will advise its sufferers to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

MSIL/Kryptik.YFA Summary

These modifications can be as complies with:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is likely packed with VMProtect;
  • Authenticode signature is invalid;
  • Anomalous .NET characteristics;
  • Network activity detected but not expressed in API logs;
  • Ciphering the papers found on the victim’s hard disk drive — so the victim can no more utilize the data;
  • Preventing normal accessibility to the target’s workstation;

Related domains:

wpad.local-netRansom.Win32.Sabsik.sa

MSIL/Kryptik.YFA

The most common channels through which MSIL/Kryptik.YFA are injected are:

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

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or stop the gadget from functioning in a correct way – while also positioning a ransom note that states the demand for the victims to impact the payment for the purpose of decrypting the papers or restoring the file system back to the initial condition. In a lot of circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been harmed.

MSIL/Kryptik.YFA distribution channels.

In numerous edges of the globe, MSIL/Kryptik.YFA grows by jumps and also bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom quantity might differ relying on certain neighborhood (local) setups. The ransom money notes and techniques of extorting the ransom money amount may vary depending on specific local (local) setups.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having detected some unlicensed applications enabled on the victim’s tool. The alert then requires the individual to pay the ransom.

    Faulty statements concerning illegal material.

    In countries where software application piracy is less popular, this method is not as reliable for the cyber frauds. Conversely, the MSIL/Kryptik.YFA popup alert may wrongly claim to be stemming from a police institution and will report having located kid pornography or various other unlawful data on the device.

    MSIL/Kryptik.YFA popup alert may wrongly assert to be acquiring from a law enforcement institution as well as will certainly report having located youngster pornography or various other illegal information on the device. The alert will similarly contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

name: 76AE745773A36559BFD6.mlw
path: /opt/CAPEv2/storage/binaries/356cbdaf6a8ae6811b6733be355f1210d648460eca1eb564224bdf252a804afb
crc32: 44C6C7A0
md5: 76ae745773a36559bfd690222a5a95bc
sha1: df2fe3fb2f2e8fc5c5887da980cf1c81c81a3772
sha256: 356cbdaf6a8ae6811b6733be355f1210d648460eca1eb564224bdf252a804afb
sha512: f60284ef5eb5afd4036b1fab9ba0431d08d9c902ba6b1043a211d3e1e7e45136ba17c630ea2e1f80312c66f5807a15d3f68c4ef92fdb15bb5be710719222b896
ssdeep: 98304:JLxzHh8J6pMESUbCR/+opHMe6A51P7PjWPeHhUz4Q34szewekyptkOtHyjoQKx9o:X6waTse6UPjVmz35/zMtkOtSjo
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A25633291FBE651ACF4446B4DDACC3AA0E716D187C41F3B67588ACF1AF62AA54F0101F
sha3_384: fb40b15d00d8937fa1691914fed45c10a74fb32b9f1a92705077a614dfc8f8a76f0ba0e7c91f8c9b061bf77cfe695ef4
ep_bytes: ff250080a00047673000e3576000e357
timestamp: 2021-11-22 19:51:56

Version Info:

Translation: 0x0000 0x04b0
FileDescription:
FileVersion: 0.0.0.0
InternalName: dadd.exe
LegalCopyright:
OriginalFilename: dadd.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

MSIL/Kryptik.YFA also known as:

GridinSoftTrojan.Ransom.Gen
LionicTrojan.MSIL.Predator.i!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Razy.840549
FireEyeGeneric.mg.76ae745773a36559
McAfeeArtemis!76AE745773A3
CylanceUnsafe
K7AntiVirusTrojan ( 7000001c1 )
AlibabaTrojan:Win32/csharp.ali2000008
K7GWTrojan ( 7000001c1 )
Cybereasonmalicious.773a36
CyrenW32/MSIL_Agent.BTF.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Kryptik.YFA
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Packed.Razy-7334624-0
KasperskyHEUR:Trojan-PSW.MSIL.Predator.gen
BitDefenderGen:Variant.Razy.840549
AvastWin32:CrypterX-gen [Trj]
TencentMsil.Trojan.Kryptik.Aisk
Ad-AwareGen:Variant.Razy.840549
SophosML/PE-A + Mal/VMProtBad-A
DrWebTrojan.Siggen15.50308
TrendMicroTROJ_GEN.R002C0RKN21
McAfee-GW-EditionBehavesLike.Win32.Generic.tc
EmsisoftGen:Variant.Razy.840549 (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Variant.Razy.840549
eGambitUnsafe.AI_Score_99%
AviraHEUR/AGEN.1145839
GridinsoftRansom.Win32.Sabsik.sa
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
BitDefenderThetaGen:NN.ZemsilF.34294.@x0@ayQX51
ALYacGen:Variant.Razy.840549
MAXmalware (ai score=83)
VBA32TrojanPSW.MSIL.Predator
TrendMicro-HouseCallTROJ_GEN.R002C0RKN21
YandexTrojan.Kryptik!prnfv6SIxns
IkarusTrojan.MSIL.Vmprotect
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Kryptik.YFA!tr
AVGWin32:CrypterX-gen [Trj]
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_90% (W)

How to remove MSIL/Kryptik.YFA 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

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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