TrojanDownloader:O97M/Obfuse.YA!rfn
Daniel Foster
Updated on April 20, 2026
What is TrojanDownloader:O97M/Obfuse.YA!rfn infection?
In this post you will locate regarding the meaning of TrojanDownloader:O97M/Obfuse.YA!rfn and also its adverse effect on your computer. Such ransomware are a kind of malware that is specified by on the internet scams to demand paying the ransom by a victim.
In the majority of the cases, TrojanDownloader:O97M/Obfuse.YA!rfn infection will instruct its targets to start funds move for the objective of counteracting the amendments that the Trojan infection has actually introduced to the target’s device.
TrojanDownloader:O97M/Obfuse.YA!rfn Summary
These modifications can be as follows:
- Network activity detected but not expressed in API logs;
- Anomalous binary characteristics;
- Ciphering the records situated on the target’s disk drive — so the sufferer can no longer use the data;
- Preventing routine accessibility to the victim’s workstation;
Related domains:
| z.whorecord.xyz | Ransom:Win32/Blocker.29bf28a1 |
| a.tomx.xyz | Ransom:Win32/Blocker.29bf28a1 |
TrojanDownloader:O97M/Obfuse.YA!rfn
One of the most typical networks through which TrojanDownloader:O97M/Obfuse.YA!rfn Ransomware Trojans are infused are:
- By ways of phishing e-mails;
- As an effect of customer ending up on a source that hosts a harmful software;
As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or avoid the tool from operating in a correct way – while likewise putting a ransom note that points out the requirement for the sufferers to effect the repayment for the function of decrypting the documents or bring back the documents system back to the first problem. In most instances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has currently been harmed.
TrojanDownloader:O97M/Obfuse.YA!rfn distribution channels.
In different corners of the world, TrojanDownloader:O97M/Obfuse.YA!rfn expands by jumps and also bounds. Nonetheless, the ransom notes as well as techniques of obtaining the ransom quantity might differ depending on specific neighborhood (local) setups. The ransom notes as well as tricks of obtaining the ransom money amount may vary depending on certain neighborhood (regional) setups.
As an example:
Faulty alerts about unlicensed software program.
In specific locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications enabled on the sufferer’s tool. The alert then demands the customer to pay the ransom.
Faulty declarations regarding unlawful material.
In nations where software piracy is much less preferred, this technique is not as reliable for the cyber scams. Conversely, the TrojanDownloader:O97M/Obfuse.YA!rfn popup alert may falsely assert to be deriving from a law enforcement institution as well as will report having located youngster porn or various other prohibited information on the tool.
TrojanDownloader:O97M/Obfuse.YA!rfn popup alert might incorrectly assert to be obtaining from a law enforcement organization and will report having situated kid porn or various other unlawful data on the device. The alert will in a similar way consist of a demand for the user to pay the ransom.
Technical details
File Info:
crc32: 14BC372Dmd5: 407d55c33635be29d79f40f804786c54name: 407D55C33635BE29D79F40F804786C54.mlwsha1: c3144569e6572c7adc90a7df43024bdfe505e107sha256: 66c60d0607831ef258f4f79e4b4c7da1b8a512ff3bb3c1f337cfd08d24432695sha512: be70a4b6565dce8b053693ec4d750271899324ea35a181114b1beaca052155fd7abea2d619d090d9eb4e66150e1ecf4b0a57c2b66cf266488136d762d26d3f19ssdeep: 192:vEoAFrRLGbNqtp+sv1xqN0QqPKNlS0jh7KRtU5uWXju3tRQJ5Pg0fW0mBYRkr:vG9OspBPKNdlmRtU5uWXju3q5PnfpmBtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS WindowsVersion Info:
Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2017Assembly Version: 1.0.0.0InternalName: Windows Proces.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: Windows ProcesProductVersion: 1.0.0.0FileDescription: Windows ProcesOriginalFilename: Windows Proces.exe
TrojanDownloader:O97M/Obfuse.YA!rfn also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Riskware ( 0040eff71 ) |
| Lionic | Trojan.Win32.Blocker.j!c |
| ALYac | Trojan.GenericKD.4992337 |
| Cylance | Unsafe |
| Alibaba | Ransom:Win32/Blocker.29bf28a1 |
| K7GW | Riskware ( 0040eff71 ) |
| Cybereason | malicious.33635b |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of MSIL/Spy.Keylogger.CBS |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Kaspersky | Trojan-Ransom.Win32.Blocker.jzrk |
| BitDefender | Trojan.GenericKD.4992337 |
| NANO-Antivirus | Trojan.Win32.Blocker.eodspd |
| MicroWorld-eScan | Trojan.GenericKD.4992337 |
| Tencent | Win32.Trojan.Blocker.Palx |
| Ad-Aware | Trojan.GenericKD.4992337 |
| Sophos | Mal/Generic-R + Mal/MSIL-AV |
| Comodo | Malware@#1cnfydma3mlo3 |
| BitDefenderTheta | Gen:NN.ZemsilF.34110.am0@aC@gLFk |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | Artemis!Trojan |
| FireEye | Generic.mg.407d55c33635be29 |
| Emsisoft | Trojan.GenericKD.4992337 (B) |
| SentinelOne | Static AI – Malicious PE |
| Avira | TR/Spy.Gen |
| eGambit | Unsafe.AI_Score_80% |
| Microsoft | TrojanDownloader:O97M/Obfuse.YA!rfn |
| GData | Trojan.GenericKD.4992337 |
| AhnLab-V3 | Trojan/Win32.Blocker.C3442928 |
| McAfee | Artemis!407D55C33635 |
| MAX | malware (ai score=100) |
| Panda | Trj/GdSda.A |
| Ikarus | Trojan-Spy.Agent |
| Fortinet | W32/Blocker.AV!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
How to remove TrojanDownloader:O97M/Obfuse.YA!rfn ransomware?
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 TrojanDownloader:O97M/Obfuse.YA!rfn 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 TrojanDownloader:O97M/Obfuse.YA!rfn you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
