Win32/Kryptik.OOG

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

What is Win32/Kryptik.OOG infection?

In this post you will locate regarding the meaning of Win32/Kryptik.OOG and its negative impact on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom by a victim.

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In the majority of the situations, Win32/Kryptik.OOG virus will instruct its sufferers to initiate funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s gadget.

Win32/Kryptik.OOG Summary

These modifications can be as complies with:

  • 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.
  • 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.

  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Attempts to restart the guest VM;
  • 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
  • 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.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the sufferer’s hard disk drive — so the sufferer can no longer use the data;
  • Preventing normal 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.xyzTrojan.Win32.Ransom.do (v)
a.tomx.xyzTrojan.Win32.Ransom.do (v)
edgedl.gvt1.comTrojan.Win32.Ransom.do (v)
update.googleapis.comTrojan.Win32.Ransom.do (v)

Win32/Kryptik.OOG

The most regular networks through which Win32/Kryptik.OOG Ransomware are injected are:

  • By means of phishing emails;
  • As an effect of user winding up on a source that holds a malicious software application;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or avoid the device from working in a proper fashion – while likewise positioning a ransom note that mentions the need for the targets to effect the settlement for the objective of decrypting the files or recovering the data system back to the preliminary condition. In a lot of circumstances, the ransom money note will come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.OOG distribution networks.

In different edges of the world, Win32/Kryptik.OOG grows by leaps and also bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money quantity may vary relying on particular local (local) settings. The ransom notes as well as techniques of extorting the ransom money quantity might differ depending on particular neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific locations, the Trojans often wrongfully report having spotted some unlicensed applications enabled on the target’s device. The alert then demands the user to pay the ransom.

    Faulty declarations regarding unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/Kryptik.OOG popup alert may falsely claim to be originating from a police institution and also will report having situated child porn or various other prohibited data on the device.

    Win32/Kryptik.OOG popup alert might wrongly claim to be obtaining from a regulation enforcement establishment and also will report having located youngster porn or various other prohibited data on the device. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 234DD0D4
md5: 070ded4215246f054d8d4dd4f565e818
name: 070DED4215246F054D8D4DD4F565E818.mlw
sha1: d5b5b95b21df4c6bbc8661b0363bdbdf8d09af0e
sha256: e84e2d954314e4bf02b288488e25b24ad5c885ceedf74b746c235e1631dd58fa
sha512: 6eb3fca6a6ee62f728090d3ce24aec1401a28a2fabb8856e2e24f647e0be706691750e796a8165deffcb50de5cee66ad91d0e4e3795d31d118753c6c366a2e41
ssdeep: 1536:+Ofn6TV1XClNDFy5CuAY1X+6KDvV7o1lcscsPQZ9D5t4v6a3hmQJnjfdZoxyYg:38rXoDFQnAYdvKJ7o1lcFpZZsvJFZbL
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.OOG also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Heur.FKP.1
ALYacGen:Heur.FKP.1
CylanceUnsafe
VIPRETrojan.Win32.Ransom.do (v)
AegisLabTrojan.Win32.Generic.4!c
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
BitDefenderGen:Heur.FKP.1
K7GWTrojan ( 0056ea461 )
K7AntiVirusTrojan ( 0056ea461 )
CyrenW32/Ransom.J.gen!Eldorado
SymantecTrojan.Ransomlock!gen2
APEXMalicious
AvastWin32:Mystic
ClamAVWin.Trojan.Hmblocker-912
KasperskyHEUR:Trojan.Win32.Generic
AlibabaRansom:Win32/Genasom.c3d66f3e
NANO-AntivirusTrojan.Win32.Kryptik.fbauir
RisingRansom.Genasom!8.293 (CLOUD)
Ad-AwareGen:Heur.FKP.1
EmsisoftGen:Heur.FKP.1 (B)
ComodoMalware@#2ahe0vcxeus2n
F-SecureTrojan.TR/Crypt.ZPACK.Gen
DrWebTrojan.Packed.21756
ZillyaTrojan.HmBlocker.Win32.1291
TrendMicroTROJ_FAKEAV.SMWR
McAfee-GW-EditionFakeAV-SecurityTool.js
FireEyeGeneric.mg.070ded4215246f05
SophosMal/Generic-S
SentinelOneStatic AI – Suspicious PE
JiangminTrojan/HmBlocker.atn
WebrootW32.Trojan.Hmblocker.Gen
AviraTR/Crypt.ZPACK.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.AGeneric
MicrosoftRansom:Win32/Genasom.DN
ArcabitTrojan.FKP.1
SUPERAntiSpywareTrojan.Agent/Gen-FakeAV
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Heur.FKP.1
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.FakeAV.R5556
McAfeeFakeAV-SecurityTool.js
VBA32Trojan.ExpProc.014
MalwarebytesGeneric.Malware/Suspicious
PandaGeneric Malware
ESET-NOD32a variant of Win32/Kryptik.OOG
TrendMicro-HouseCallTROJ_FAKEAV.SMWR
TencentWin32.Trojan.Generic.Crl
YandexTrojan.HmBlocker!NAiXAG3RtL4
IkarusTrojan-Ransom.Timer
MaxSecureTrojan.Yakes.dwnc
FortinetW32/RansomTimer.fam!tr
BitDefenderThetaGen:NN.ZexaF.34590.fq0@aeFeH7ik
AVGWin32:Mystic
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HxQBxicA

How to remove Win32/Kryptik.OOG 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.OOG 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.OOG 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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