Ransom.Koolova

What is Ransom.Koolova infection?

In this article you will find about the definition of Ransom.Koolova and also its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on the internet fraudulences to require paying the ransom money by a victim.

Most of the cases, Ransom.Koolova infection will certainly instruct its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s device.

Ransom.Koolova Summary

These adjustments can be as adheres to:

  • Creates RWX memory;
  • Network activity detected but not expressed in API logs;
  • Ciphering the records situated on the target’s hard disk — so the target can no more use the information;
  • Preventing normal accessibility to the sufferer’s workstation;

Ransom.Koolova

The most typical networks where Ransom.Koolova Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that holds a harmful software;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or stop the gadget from operating in a proper way – while also placing a ransom note that discusses the demand for the targets to impact the repayment for the function of decrypting the files or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually currently been harmed.

Ransom.Koolova distribution channels.

In different edges of the globe, Ransom.Koolova expands by jumps and bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom money quantity may vary depending on particular regional (local) settings. The ransom money notes and techniques of extorting the ransom money quantity may differ depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the sufferer’s device. The alert then requires the individual to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In countries where software application piracy is less popular, this method is not as efficient for the cyber scams. Additionally, the Ransom.Koolova popup alert might incorrectly declare to be stemming from a law enforcement organization and also will report having located kid pornography or various other illegal information on the tool.

    Ransom.Koolova popup alert may wrongly claim to be deriving from a regulation enforcement institution as well as will certainly report having located youngster pornography or other unlawful data on the tool. The alert will in a similar way contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 4B80ACF0md5: 7afca2b34c94997e671c41558d7859e6name: 7AFCA2B34C94997E671C41558D7859E6.mlwsha1: c4c25e7c26b5370966e85f00428e5335dd55e15fsha256: 63a145381e355bb97e9b8ff44a1fa8a07065bc98dda6afe9c53eaa02cbc847f0sha512: 7bc735c08ed6f089a64dc16827873446d9adaa1e0945565021b37845deb97f0a11b379413b9dfbb7d3560a9137dc28f2c199839f41f38e619d34819be9106f24ssdeep: 768:sYQEq51KNtazCJXTPB7d0kAF10ttSwUqk:sVEqPwt7XbBx0ki2tSwVktype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2015Assembly Version: 1.0.0.0InternalName: DUMB.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: DUMBProductVersion: 1.0.0.0FileDescription: DUMBOriginalFilename: DUMB.exe

Ransom.Koolova also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0056a4581 )
Lionic Trojan.Win32.Koolova.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.15077
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.DUMB
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.8484
Alibaba Ransom:MSIL/FileCoder.e59355f2
K7GW Trojan ( 0056a4581 )
Cybereason malicious.34c949
ESET-NOD32 a variant of MSIL/Filecoder.DY
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Koolova-9850494-0
Kaspersky HEUR:Trojan-Ransom.MSIL.Encoder.gen
BitDefender Generic.Ransom.Koolova.D47E19AD
NANO-Antivirus Trojan.Win32.Filecoder.fjwcei
MicroWorld-eScan Generic.Ransom.Koolova.D47E19AD
Tencent Win32.Trojan.Generic.Amcy
Ad-Aware Generic.Ransom.Koolova.D47E19AD
Sophos Mal/Crypdum-A
BitDefenderTheta Gen:NN.ZemsilF.34170.cm0@aG4lBOf
McAfee-GW-Edition GenericRXEF-BT!7AFCA2B34C94
FireEye Generic.Ransom.Koolova.D47E19AD
Emsisoft Generic.Ransom.Koolova.D47E19AD (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1133963
Antiy-AVL Trojan/Generic.ASMalwS.28CBADA
Microsoft Ransom:MSIL/FileCoder.PA!MTB
GData MSIL.Trojan-Ransom.Filecoder.AN
AhnLab-V3 Trojan/Win32.Occamy.C2499816
McAfee GenericRXEF-BT!7AFCA2B34C94
MAX malware (ai score=89)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.Koolova
Panda Trj/GdSda.A
Ikarus Trojan.MSIL.Filecoder
Fortinet MSIL/Filecoder.DY!tr.ransom
AVG Win32:RansomX-gen [Ransom]

How to remove Ransom.Koolova 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Ransom.Koolova you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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