Win32/Kryptik.QOQ

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

What is Win32/Kryptik.QOQ infection?

In this article you will certainly locate about the definition of Win32/Kryptik.QOQ and its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/Kryptik.QOQ virus will certainly instruct its sufferers to start funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Win32/Kryptik.QOQ Summary

These alterations 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.
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • The executable is compressed using UPX;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • 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.
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the papers situated on the target’s disk drive — so the victim can no longer utilize the information;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Kryptik.QOQ

One of the most common channels whereby Win32/Kryptik.QOQ Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a source that hosts a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or stop the device from operating in an appropriate fashion – while additionally positioning a ransom note that states the demand for the targets to impact the payment for the function of decrypting the records or recovering the data system back to the initial condition. In the majority of circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has currently been damaged.

Win32/Kryptik.QOQ circulation networks.

In different corners of the globe, Win32/Kryptik.QOQ expands by jumps and also bounds. However, the ransom money notes as well as techniques of extorting the ransom money amount may differ depending upon certain neighborhood (local) setups. The ransom notes as well as tricks of obtaining the ransom quantity may vary depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The sharp then requires the customer to pay the ransom.

    Faulty statements about unlawful material.

    In countries where software piracy is less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.QOQ popup alert might falsely claim to be stemming from a law enforcement institution as well as will report having situated youngster pornography or various other prohibited data on the device.

    Win32/Kryptik.QOQ popup alert may wrongly declare to be obtaining from a law enforcement establishment as well as will report having situated kid pornography or other illegal information on the gadget. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: DD3918BA
md5: 0c558b1505c9e91d71d97ed64ab4704b
name: 0C558B1505C9E91D71D97ED64AB4704B.mlw
sha1: c78b0afbbb8b502a6c29b25e696319a10d42d486
sha256: 39843f7b2100c6db60018363f9c2b9d9240bf801d6b5f2ed5eec6bc868cf1775
sha512: f1216f71feac7629e25e9ed9d7773ac40ac9528de28444eca655bf9d2709b32d7a519079b803d6ec23e77f59f4d975d7d873410c40fe6eb3eab58c8b130bcb85
ssdeep: 6144:FzFALCyUeeopug5AlGydXMfvaAYRW/5yRpdtH:FyCxs5AlPCHoYyXP
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright xa9 Hyper Mink 2004-2005
InternalName: Dye
FileVersion: 22.26.47.49
CompanyName: Limb Etc
ProductName: Glamor
ProductVersion: 22.26.47.49
FileDescription: Joan Too Airy
OriginalFilename: Ham.exe
Translation: 0x0409 0x04b0

Win32/Kryptik.QOQ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 004bcce41 )
Elasticmalicious (high confidence)
DrWebTrojan.Winlock.3333
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Generic
ALYacGen:Variant.Ser.Razy.10775
CylanceUnsafe
ZillyaTrojan.ChameleonUnlicence.Win32.2
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Obfuscator.d7292d1d
K7GWTrojan ( 004bcce41 )
Cybereasonmalicious.505c9e
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.QOQ
APEXMalicious
AvastWin32:Krajabot-G [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ser.Razy.10775
NANO-AntivirusTrojan.Win32.ChameleonUnlicence.gfknc
MicroWorld-eScanGen:Variant.Ser.Razy.10775
TencentWin32.Trojan.Generic.Glp
Ad-AwareGen:Variant.Ser.Razy.10775
SophosMal/Generic-R + Troj/Ransom-BL
ComodoPacked.Win32.MUPX.Gen@24tbus
BitDefenderThetaAI:Packer.02048DC61F
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_RANSOM.JAD
McAfee-GW-EditionBehavesLike.Win32.Dropper.gt
FireEyeGeneric.mg.0c558b1505c9e91d
EmsisoftGen:Variant.Ser.Razy.10775 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan/Fullscreen.av
WebrootW32.Gen.BT
AviraTR/Crypt.XPACK.Gen2
eGambitGeneric.Malware
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Weenloc!atmn
ArcabitTrojan.Ser.Razy.D2A17
AegisLabTrojan.Win32.Jorik.ljaD
GDataGen:Variant.Ser.Razy.10775
TACHYONTrojan/W32.Birele.475648
AhnLab-V3Malware/Win.Reputation.C4399145
Acronissuspicious
McAfeeArtemis!0C558B1505C9
MAXmalware (ai score=100)
VBA32BScope.TrojanPSW.Stealer
PandaGeneric Malware
TrendMicro-HouseCallTROJ_RANSOM.JAD
RisingWorm.Delf!8.1B3 (CLOUD)
YandexTrojan.Fullscreen!dCKI5DqR2BM
IkarusTrojan-Ransom.Fullscreen
MaxSecureTrojan.Malware.2648405.susgen
FortinetW32/Yakes.LS!tr
AVGWin32:Krajabot-G [Trj]
Paloaltogeneric.ml

How to remove Win32/Kryptik.QOQ ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32/Kryptik.QOQ 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.QOQ 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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