Win32/Filecoder.OAU
Sarah Oconnell
Updated on February 17, 2026
What is Win32/Filecoder.OAU infection?
In this article you will discover concerning the meaning of Win32/Filecoder.OAU and its adverse influence on your computer. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom money by a victim.
In the majority of the cases, Win32/Filecoder.OAU virus will certainly instruct its targets to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the target’s tool.
Win32/Filecoder.OAU Summary
These modifications can be as complies with:
- The binary likely contains encrypted or compressed data.;
- The executable is compressed using UPX;
- Uses Windows utilities for basic functionality;
- Attempts to delete volume shadow copies;
- Modifies boot configuration settings;
- Exhibits possible ransomware file modification behavior;
- Writes a potential ransom message to disk;
- Network activity detected but not expressed in API logs;
- Likely virus infection of existing system binary;
- Uses suspicious command line tools or Windows utilities;
- Ciphering the documents found on the sufferer’s hard disk — so the target can no more utilize the information;
- Preventing regular accessibility to the target’s workstation;
Win32/Filecoder.OAU
One of the most normal networks through which Win32/Filecoder.OAU are infused are:
- By means of phishing emails;
- As a repercussion of customer winding up on a source that organizes a malicious software;
As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s PC or prevent the tool from working in a correct way – while likewise placing a ransom note that points out the requirement for the victims to effect the settlement for the purpose of decrypting the documents or bring back the documents system back to the initial problem. In most circumstances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been harmed.
Win32/Filecoder.OAU distribution networks.
In different corners of the globe, Win32/Filecoder.OAU expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money amount might vary depending on certain neighborhood (regional) setups. The ransom money notes and tricks of extorting the ransom amount may differ depending on particular local (regional) settings.
For example:
Faulty alerts regarding unlicensed software.
In particular areas, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the target’s gadget. The alert then demands the customer to pay the ransom money.
Faulty declarations regarding illegal content.
In countries where software piracy is less preferred, this approach is not as efficient for the cyber frauds. Conversely, the Win32/Filecoder.OAU popup alert might falsely claim to be deriving from a police establishment as well as will certainly report having situated youngster porn or other illegal information on the tool.
Win32/Filecoder.OAU popup alert might falsely assert to be obtaining from a regulation enforcement establishment and also will report having located kid porn or various other prohibited information on the device. The alert will similarly consist of a requirement for the individual to pay the ransom money.
Technical details
File Info:
crc32: CA897B65md5: 1ffe22632e506fdd68765cee84c22f13name: 1FFE22632E506FDD68765CEE84C22F13.mlwsha1: c51dda952d5c482b8b033d9c4a07a7a8a1a85275sha256: 88c0764988d1c951b4e3e6009beb3811ea27f9b41e94f47daaf3090128f32768sha512: c81b4ef9bcaf374689f752e7a94d26c7b03cc89faa1392c0a26fdeb2a9a39c4d121793658daa16715ba391073fac2393f4fd014a2f3f1d57d008fde020c0631fssdeep: 768:yPvqexwEkfzeL4nCmvFk0F3Pi74drNysg45Ctfm9Wko3cNa29TXqRCWZFmeM//I:ivqeDGe0CmvFk0FfVBNst/x216cu63gtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressedVersion Info:
0: [No Data]
Win32/Filecoder.OAU also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Riskware ( 0040eff71 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Encoder.31087 |
| Cynet | Malicious (score: 100) |
| ALYac | Trojan.Ransom.Genasom |
| Cylance | Unsafe |
| Zillya | Trojan.Filecoder.Win32.12589 |
| Sangfor | Ransom.Win32.Genasom.MSR |
| Alibaba | Ransom:Win32/generic.ali2000027 |
| K7GW | Riskware ( 0040eff71 ) |
| Cybereason | malicious.32e506 |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Win32/Filecoder.OAU |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Kaspersky | HEUR:Virus.Win32.Infector |
| BitDefender | Gen:Variant.Graftor.717353 |
| NANO-Antivirus | Trojan.Win32.Encoder.hcnyni |
| MicroWorld-eScan | Gen:Variant.Graftor.717353 |
| Tencent | Win32.Trojan.Raas.Auto |
| Ad-Aware | Gen:Variant.Graftor.717353 |
| Sophos | Mal/Generic-S |
| BitDefenderTheta | Gen:NN.ZexaF.34770.dmGfayq1tmki |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Ransom.Win32.CRYPTOPXJ.SMJK |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.qc |
| FireEye | Generic.mg.1ffe22632e506fdd |
| Emsisoft | Gen:Variant.Graftor.717353 (B) |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Trojan.Agentb.ghw |
| Avira | HEUR/AGEN.1141575 |
| eGambit | Unsafe.AI_Score_99% |
| Microsoft | Trojan:Win32/Occamy.C88 |
| Arcabit | Trojan.Graftor.DAF229 |
| AegisLab | Virus.Win32.Infector.n!c |
| GData | Win32.Trojan-Ransom.Filecoder.CF@gen |
| TACHYON | Ransom/W32.Genasom.114688 |
| AhnLab-V3 | Malware/Win32.Generic.C4017809 |
| McAfee | GenericRXAA-FA!1FFE22632E50 |
| MAX | malware (ai score=80) |
| VBA32 | Trojan.Encoder |
| Malwarebytes | Ransom.XVFXGW |
| Panda | Trj/GdSda.A |
| TrendMicro-HouseCall | Ransom.Win32.CRYPTOPXJ.SMJK |
| Rising | Ransom.Agent!1.C307 (CLASSIC) |
| Yandex | Trojan.Filecoder!b+h7y9ZrmdE |
| Ikarus | Trojan-Ransom.FileCrypter |
| MaxSecure | Trojan.Malware.300983.susgen |
| Fortinet | W32/Filecoder.OAU!tr.ransom |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.Generic.HgIASOkA |
How to remove Win32/Filecoder.OAU 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 Win32/Filecoder.OAU 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 Win32/Filecoder.OAU you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
