Win32:Karagany-KO [Trj]

What is Win32:Karagany-KO [Trj] infection?

In this post you will certainly locate about the meaning of Win32:Karagany-KO [Trj] and its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom money by a sufferer.

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Most of the instances, Win32:Karagany-KO [Trj] virus will certainly instruct its sufferers to launch funds move for the purpose of reducing the effects of the changes that the Trojan infection has presented to the sufferer’s gadget.

Win32:Karagany-KO [Trj] 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard drive — so the victim can no more use the data;
  • Preventing routine accessibility 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:Karagany-KO [Trj]

The most common networks where Win32:Karagany-KO [Trj] Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a resource that hosts a malicious software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or prevent the device from working in a correct way – while also positioning a ransom note that mentions the need for the sufferers to impact the repayment for the function of decrypting the documents or restoring the data system back to the preliminary problem. In many circumstances, the ransom money note will turn up when the client restarts the PC after the system has already been damaged.

Win32:Karagany-KO [Trj] distribution channels.

In numerous edges of the world, Win32:Karagany-KO [Trj] expands by leaps as well as bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom money quantity may differ depending upon particular regional (regional) settings. The ransom notes and also techniques of extorting the ransom amount might vary depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In particular locations, the Trojans commonly wrongfully report having spotted some unlicensed applications enabled on the target’s device. The alert after that demands the customer to pay the ransom money.

    Faulty declarations about illegal content.

    In countries where software piracy is much less prominent, this approach is not as reliable for the cyber frauds. Alternatively, the Win32:Karagany-KO [Trj] popup alert may wrongly assert to be stemming from a police establishment and also will certainly report having located kid pornography or various other prohibited information on the gadget.

    Win32:Karagany-KO [Trj] popup alert might falsely assert to be deriving from a legislation enforcement establishment as well as will report having situated kid pornography or various other prohibited data on the tool. The alert will likewise contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 6B077A7D
md5: 39b8510495d0094965c0eded7cbb691f
name: 39B8510495D0094965C0EDED7CBB691F.mlw
sha1: 38480a5cf85147f70b2ee4d888b31329480a6b6f
sha256: 055cff660d2f53dd193b0063393b19f856529f9b725fd9c46ee6436b99859f66
sha512: d81a96972bdde34177ef83045b35e3670607e86380a1e6014f272185f0e3a73b7c812d6ba177c06312cba71036029ae3fdbee2a5806bafaca20e3149f719f8f4
ssdeep: 3072:epesuXADTFk8+IzJH2RMv/GgXQSf3XMUJ9VQA:SuXADZ4IVBXM69VQ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:Karagany-KO [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 003f0fbf1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.655
Cynet Malicious (score: 100)
CAT-QuickHeal TrojanPWS.Zbot.Gen
ALYac Gen:Heur.PIF.3
Cylance Unsafe
Zillya Trojan.PornoAsset.Win32.2770
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 003f0fbf1 )
Cybereason malicious.495d00
Cyren W32/Falab.F.gen!Eldorado
Symantec Trojan.Zbot!gen35
ESET-NOD32 Win32/Spy.Zbot.YW
Zoner Trojan.Win32.10349
APEX Malicious
TotalDefense Win32/Zbot.GCH
Avast Win32:Karagany-KO [Trj]
ClamAV Win.Virus.Agent-1393077
Kaspersky Trojan-Ransom.Win32.PornoAsset.lzt
BitDefender Gen:Heur.PIF.3
NANO-Antivirus Trojan.Win32.Trojan-Ransom.xewlf
ViRobot Trojan.Win32.A.PornoAsset.139776.B
MicroWorld-eScan Gen:Heur.PIF.3
Tencent Win32.Trojan.Pornoasset.Lmlc
Ad-Aware Gen:Heur.PIF.3
Sophos ML/PE-A + Mal/ZboCheMan-D
Comodo TrojWare.Win32.Kryptik.AKGI@4qafoy
BitDefenderTheta Gen:NN.ZexaF.34628.iOW@a4KRoMhi
TrendMicro Possible_MALSTRC
McAfee-GW-Edition PWS-Zbot.gen.als
FireEye Generic.mg.39b8510495d00949
Emsisoft Gen:Heur.PIF.3 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/PornoAsset.bxv
Webroot W32.Malware.Gen
Avira TR/Crypt.XPACK.Gen
Microsoft PWS:Win32/Zbot
Arcabit Trojan.PIF.3
GData Gen:Heur.PIF.3
TACHYON Trojan/W32.PornoAsset.139776.L
AhnLab-V3 Trojan/Win32.Jorik.R34210
Acronis suspicious
McAfee PWS-Zbot.gen.als
MAX malware (ai score=86)
VBA32 BScope.Trojan-Ransom.Winlock.3081
Panda Generic Malware
TrendMicro-HouseCall Possible_MALSTRC
Rising Trojan.Kryptik!8.8 (RDMK:cmRtazpHIiMHmlhVzTTkNiXZECvq)
Ikarus Trojan-Ransom.PornoAsset
MaxSecure Trojan.Malware.4431584.susgen
Fortinet W32/Poxter.A!tr
AVG Win32:Karagany-KO [Trj]
Qihoo-360 HEUR/QVM20.1.1F5F.Malware.Gen

How to remove Win32:Karagany-KO [Trj] 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.

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Press “Install” button.

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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:Karagany-KO [Trj] 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:Karagany-KO [Trj] 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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