Ransom.Koolova
Matthew Alvarez
Updated on February 14, 2026
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.
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 WindowsVersion 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?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Ransom.Koolova 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.
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.
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:
Full version of GridinSoft Anti-Malware
If the guide doesn’t help you to remove Ransom.Koolova you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
