Win32/Kryptik.GIRH

Written by Robert Bailey

What is Win32/Kryptik.GIRH infection?

In this post you will locate concerning the interpretation of Win32/Kryptik.GIRH and its unfavorable impact on your computer. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom money by a victim.

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In the majority of the situations, Win32/Kryptik.GIRH ransomware will certainly instruct its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the target’s tool.

Win32/Kryptik.GIRH 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.
  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Creates a copy of itself;
  • Creates a slightly modified copy of itself;
  • Ciphering the records located on the sufferer’s disk drive — so the sufferer can no more utilize the data;
  • Preventing normal access 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.

Related domains:

pastebin.com BehavesLike.Win32.VirRansom.wc
ocsp.digicert.com BehavesLike.Win32.VirRansom.wc

Win32/Kryptik.GIRH

The most typical networks where Win32/Kryptik.GIRH are injected are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a source that hosts a harmful software program;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or protect against the gadget from working in a proper way – while additionally placing a ransom note that points out the need for the targets to effect the payment for the function of decrypting the files or recovering the documents system back to the preliminary problem. In the majority of instances, the ransom money note will certainly show up when the client restarts the PC after the system has already been harmed.

Win32/Kryptik.GIRH circulation networks.

In different corners of the world, Win32/Kryptik.GIRH expands by leaps and also bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom money quantity may differ depending upon particular local (regional) settings. The ransom money notes as well as tricks of obtaining the ransom money amount may differ depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software program.

    In particular locations, the Trojans frequently wrongfully report having discovered some unlicensed applications enabled on the victim’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty statements regarding illegal web content.

    In nations where software application piracy is less preferred, this technique is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.GIRH popup alert may falsely declare to be originating from a police organization and also will report having situated child pornography or various other prohibited data on the device.

    Win32/Kryptik.GIRH popup alert may wrongly declare to be acquiring from a law enforcement establishment and will report having situated kid pornography or other unlawful information on the tool. The alert will in a similar way include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 9E504498
md5: af54554777125e01ac8fc37170c0b24f
name: AF54554777125E01AC8FC37170C0B24F.mlw
sha1: 808ffcad783ed782b825a572f8bb9f74141760aa
sha256: a2fa7c60ce36acaaf9003d360191524f2498326aba9923bd3aadd145fcece06e
sha512: bd8e35bdf95de42f37574a0b40f8d37d5cdcbac53f58f83dbb175a84b9bc111b4e684d6d81005dea83b00a03166ea60956ba4355c08f85691eb4e50f7f26a7b3
ssdeep: 49152:olpmz9nS6iTiDXB9XgRbP77a4usjFu1gMZAP2p+fgbYUEksH+gJYUtuuLZmpYHd:LpnS6iTiLB9ST7o0Fu1W8XEfYKlmpY9
type: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GIRH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Symmi.93251
FireEye Generic.mg.af54554777125e01
CAT-QuickHeal Trojan.Skeeyah.J1
ALYac Gen:Variant.Symmi.93251
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005393141 )
BitDefender Gen:Variant.Symmi.93251
K7GW Trojan ( 005393141 )
Cybereason malicious.777125
Cyren W32/Zusy.EM.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
ClamAV Win.Malware.Razy-6724968-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Selfmod.icjlvp
Tencent Trojan.Win32.Kryptik.gifya
Ad-Aware Gen:Variant.Symmi.93251
Emsisoft Gen:Variant.Symmi.93251 (B)
Comodo TrojWare.Win32.Kryptik.TLS@812zm8
F-Secure Heuristic.HEUR/AGEN.1140318
DrWeb Trojan.DownLoader34.51313
McAfee-GW-Edition BehavesLike.Win32.VirRansom.wc
Sophos ML/PE-A + Troj/Agent-BFEY
SentinelOne Static AI – Malicious PE – Downloader
Jiangmin Trojan.Generic.fxchi
Avira HEUR/AGEN.1140318
Antiy-AVL Trojan/Win32.Kryptik.GIFY
Microsoft VirTool:Win32/CeeInject.AKZ!bit
Arcabit Trojan.Symmi.D16C43
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan.PSE.1IO31Z5
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Packed.R357404
Acronis suspicious
McAfee Packed-FJB!AF5455477712
MAX malware (ai score=82)
VBA32 Trojan.Tiggre
Malwarebytes Generic.Trojan.Malicious.DDS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GIRH
Rising Trojan.Kryptik!1.BF57 (CLASSIC)
Yandex Trojan.GenAsa!0xM7zILK7cg
Ikarus Trojan.Win32.Tiggre
Fortinet W32/Zusy.304525!tr
BitDefenderTheta Gen:NN.ZexaF.34804.hFZ@am2hnHh
AVG Win32:MalwareX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM19.1.09F7.Malware.Gen

How to remove Win32/Kryptik.GIRH 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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Kryptik.GIRH 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 Win32/Kryptik.GIRH 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/products/

About the author

Robert Bailey

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

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