MSIL/Kryptik.YGW

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

What is MSIL/Kryptik.YGW infection?

In this short article you will certainly locate concerning the meaning of MSIL/Kryptik.YGW and also its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom money by a victim.

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Most of the cases, MSIL/Kryptik.YGW ransomware will certainly instruct its targets to launch funds move for the objective of neutralizing the changes that the Trojan infection has actually introduced to the target’s tool.

MSIL/Kryptik.YGW Summary

These modifications 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.
  • 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.
  • A process created a hidden window;
  • 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 victim’s hard disk — so the sufferer can no more use the information;
  • Preventing routine accessibility to the target’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
z.whorecord.xyzRansom.Wannacry
a.tomx.xyzRansom.Wannacry

MSIL/Kryptik.YGW

The most common channels whereby MSIL/Kryptik.YGW Trojans are infused are:

  • By methods of phishing emails;
  • As an effect of customer winding up on a source that organizes a harmful software;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or prevent the tool from working in a proper fashion – while also putting a ransom money note that points out the demand for the sufferers to effect the repayment for the objective of decrypting the records or restoring the file system back to the initial problem. In most circumstances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has already been damaged.

MSIL/Kryptik.YGW distribution channels.

In various edges of the world, MSIL/Kryptik.YGW grows by jumps and also bounds. However, the ransom notes and also methods of obtaining the ransom money amount might vary depending upon specific local (regional) settings. The ransom notes and tricks of obtaining the ransom amount may differ depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

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

    Faulty declarations concerning illegal web content.

    In nations where software program piracy is much less popular, this approach is not as reliable for the cyber fraudulences. Alternatively, the MSIL/Kryptik.YGW popup alert might wrongly assert to be deriving from a police establishment as well as will certainly report having located child porn or other illegal data on the tool.

    MSIL/Kryptik.YGW popup alert may incorrectly declare to be obtaining from a legislation enforcement establishment and will certainly report having situated kid pornography or other prohibited data on the gadget. The alert will similarly contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 18C3C3C9
md5: 243c5762b51da1445a81840631d7d75c
name: upload_file
sha1: b5c962508328353a7221c24b2295a6f137fbf6d8
sha256: 48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e
sha512: acc044fb9d35158ed9b747795388b7ae79ecbb82444113f7267db61bbac26c5101203dd225e636ad89332c48b5fc5a79bcd0739ef2fded490ef3d756f33be12d
ssdeep: 12288:BjgfsLe2iNeRLnROZ4bnJ7V1XZ3YxJeulWvDn+v67Aqz6sSF7VHkVM4rrH:Bw1UwwJLXKJllWvz+hd7V
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: AsIaNHaWk xa9 2013
Assembly Version: 3.0.0.0
InternalName: yiB8.exe
FileVersion: 3.0.0.0
CompanyName: AsIaNHaWkx2122 Creations
LegalTrademarks:
Comments: This Software is designed for Non-Commercial use,In which you can add employer's all description for generating their payslip by their name as well as id's
ProductName: Payroll Management System
ProductVersion: 3.0.0.0
FileDescription: PAYROLL MANAGEMENT SOFTWARE
OriginalFilename: yiB8.exe

MSIL/Kryptik.YGW also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
FireEyeTrojan.GenericKD.44124519
Qihoo-360Generic/Trojan.252
McAfeeRDN/Generic.grp
CylanceUnsafe
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKD.44124519
K7GWRiskware ( 0040eff71 )
CyrenW32/MSIL_Kryptik.BYH.gen!Eldorado
SymantecRansom.Wannacry
APEXMalicious
Paloaltogeneric.ml
CynetMalicious (score: 85)
KasperskyHEUR:Trojan-PSW.MSIL.Agensla.gen
AlibabaTrojanPSW:MSIL/Kryptik.c8d90cd8
MicroWorld-eScanTrojan.GenericKD.44124519
Ad-AwareTrojan.GenericKD.44124519
EmsisoftTrojan.GenericKD.44124519 (B)
ComodoMalware@#7bdurfr5uijv
F-SecureTrojan.TR/AD.AgentTesla.ssync
DrWebTrojan.PackedNET.424
InvinceaMal/Generic-S
McAfee-GW-EditionArtemis!Trojan
IkarusTrojan.MSIL.Inject
AviraTR/AD.AgentTesla.ssync
MAXmalware (ai score=81)
MicrosoftTrojan:Win32/Woreflint.A!cl
ArcabitTrojan.Generic.D2A14967
AegisLabTrojan.Multi.Generic.4!c
ZoneAlarmHEUR:Trojan-PSW.MSIL.Agensla.gen
GDataTrojan.GenericKD.44124519
AhnLab-V3Trojan/Win32.MSILKrypt.R353470
BitDefenderThetaGen:NN.ZemsilF.34570.4m0@ay7GyUd
ALYacTrojan.GenericKD.44124519
MalwarebytesTrojan.Injector
PandaTrj/GdSda.A
ESET-NOD32a variant of MSIL/Kryptik.YGW
FortinetMSIL/Kryptik.YGW!tr
AVGFileRepMalware
Cybereasonmalicious.083283

How to remove MSIL/Kryptik.YGW 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.YGW 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.YGW 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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