Win32/Kryptik.HIRV

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

What is Win32/Kryptik.HIRV infection?

In this post you will certainly locate regarding the definition of Win32/Kryptik.HIRV and also its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to require paying the ransom by a sufferer.

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In the majority of the situations, Win32/Kryptik.HIRV infection will certainly instruct its victims to initiate funds transfer for the objective of counteracting the changes that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.HIRV Summary

These adjustments can be as adheres to:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • Unconventionial language used in binary resources: Serbian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s disk drive — so the sufferer can no more utilize the information;
  • Preventing regular accessibility to the victim’s workstation;

Win32/Kryptik.HIRV

One of the most regular channels where Win32/Kryptik.HIRV Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or prevent the tool from working in an appropriate fashion – while additionally placing a ransom money note that states the need for the victims to impact the settlement for the function of decrypting the papers or restoring the file system back to the preliminary condition. In many circumstances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.HIRV distribution networks.

In numerous edges of the globe, Win32/Kryptik.HIRV expands by leaps as well as bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom amount may differ depending on certain neighborhood (regional) settings. The ransom notes and also methods of obtaining the ransom money amount might differ depending on particular local (local) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans often wrongfully report having identified some unlicensed applications allowed on the victim’s device. The sharp then requires the customer to pay the ransom money.

    Faulty declarations regarding illegal content.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/Kryptik.HIRV popup alert might wrongly declare to be originating from a police establishment and also will report having located kid porn or other prohibited information on the gadget.

    Win32/Kryptik.HIRV popup alert might incorrectly declare to be deriving from a legislation enforcement institution and also will report having situated child pornography or other prohibited information on the device. The alert will likewise include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1902EC51
md5: d3bcddb5ae5efa34ac1d5dbd7285e70f
name: D3BCDDB5AE5EFA34AC1D5DBD7285E70F.mlw
sha1: e0deab8a2782aa4f951a0b0631856ff016c6fef9
sha256: 05cebb10a5d6794dd40fa2a50d41f4684ebb2a7e1d7caaaf614c8e179c228dcd
sha512: 85ae10d378545c46f5c61a90732555c73230683e7535b24d63515161f0a80417e360b286c4d57e4df5dca5f252af120ab9b0e8f192a9e3d8a9ea5b23ca1a8e3c
ssdeep: 98304:zRg+Yx+SLbIxzNXFHev26AsxGPb1DRLXgAro7ogiGuD72/pN10VUgc5pKogdhYh:qgfter78DRLXtwd/jTmpkszTvR2L06/
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalName: triwilbifor.occ
FileVersion: 6.26.341
Copyright: Copyrighz (C) 2020, wodkafull
ProductVersion: 1.13.28
TranslationUsa: 0x0173 0x00dc

Win32/Kryptik.HIRV also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.AntiSandbox.GenericKDS.45431570
FireEyeGeneric.mg.d3bcddb5ae5efa34
McAfeeGenericRXNH-UR!D3BCDDB5AE5E
MalwarebytesTrojan.MalPack.GS
VIPRETrojan.Win32.Generic!BT
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.AntiSandbox.GenericKDS.45431570
K7GWRiskware ( 0040eff71 )
BitDefenderThetaGen:NN.ZexaF.34780.@pKfaaJr8FdG
CyrenW32/Trojan.NOKB-1952
SymantecML.Attribute.HighConfidence
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Dropper.Glupteba-9819602-0
KasperskyTrojan.Win32.Eb.bmn
AlibabaTrojan:Win32/Azorult.8386ae6c
ViRobotTrojan.Win32.Z.Malpack.4475392
AegisLabHacktool.Win32.ArchSMS.lsxE
RisingTrojan.Kryptik!1.D139 (CLASSIC)
Ad-AwareTrojan.AntiSandbox.GenericKDS.45431570
EmsisoftTrojan.AntiSandbox.GenericKDS.45431570 (B)
ComodoMalware@#feu42i85uvi7
F-SecureHeuristic.HEUR/AGEN.1122056
ZillyaTrojan.Eb.Win32.294
TrendMicroTROJ_GEN.R002C0DAE21
McAfee-GW-EditionBehavesLike.Win32.Ransomware.rc
SophosMal/Generic-S
SentinelOneStatic AI – Malicious PE
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1122056
MAXmalware (ai score=82)
GridinsoftTrojan.Win32.Packed.oa
ArcabitTrojan.AntiSandbox.GenericS.D2B53B12
ZoneAlarmTrojan.Win32.Eb.bmn
GDataTrojan.AntiSandbox.GenericKDS.45431570
CynetMalicious (score: 100)
AhnLab-V3Malware/Win32.RL_Generic.R362806
Acronissuspicious
VBA32BScope.Trojan.Azorult
ESET-NOD32a variant of Win32/Kryptik.HIRV
TrendMicro-HouseCallTROJ_GEN.R002C0DAE21
TencentWin32.Trojan.Eb.Wrqi
IkarusTrojan.Win32.Crypt
FortinetPossibleThreat.MU
PandaTrj/RnkBend.A
CrowdStrikewin/malicious_confidence_80% (D)
Qihoo-360Win32/Trojan.96c

How to remove Win32/Kryptik.HIRV ransomware?

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 Win32/Kryptik.HIRV 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.HIRV 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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