The Trojan:Win32/Olsa!rfn is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.
Gridinsoft Anti-Malware
Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
What Trojan:Win32/Olsa!rfn virus can do?
- Reads data out of its own binary image
- Unconventionial language used in binary resources: Chinese (Simplified)
- A scripting utility was executed
- Creates a hidden or system file
- Network activity detected but not expressed in API logs
- Anomalous binary characteristics
How to determine Trojan:Win32/Olsa!rfn?
File Info:
crc32: 9320883Emd5: d12bdb084f1b6e80643a827a12cdbd60name: D12BDB084F1B6E80643A827A12CDBD60.mlwsha1: 09848451da3024e38c4022a02ca976132bd149d5sha256: a4414a4fd06be37e66b82e8bce6073c710d0c7a919bb9389401b3afebcfaa87dsha512: 365096207a4f66b80e287bda803520038d8a9e3d1606acc0457fc5f19511b7ab377b257342df5d721d3316b0ed9f976bb5bdc0a03cb3aaf6db894f6fe86d4b02ssdeep: 24576:02F7eRbp8iVtGVcG9pV1OqVtFnSQT3Q5N:0AEbVG9BSIgztype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan:Win32/Olsa!rfn also known as:
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Trojan.Bat.Salo.A |
| FireEye | Generic.mg.d12bdb084f1b6e80 |
| CAT-QuickHeal | Trojan.Orsam.A4 |
| Qihoo-360 | HEUR/QVM20.1.5CA1.Malware.Gen |
| ALYac | Trojan.Bat.Salo.A |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| Sangfor | Malware |
| K7AntiVirus | Trojan ( 004c4cd31 ) |
| BitDefender | Trojan.Bat.Salo.A |
| K7GW | Trojan ( 004c4cd31 ) |
| Cybereason | malicious.84f1b6 |
| TrendMicro | TROJ_DROPPER.QBZ |
| Cyren | W32/Imaut.A.gen!Eldorado |
| Symantec | Trojan.Gen.2 |
| TotalDefense | Win32/SillyAutorun.AIL |
| Baidu | Multi.Threats.InArchive |
| APEX | Malicious |
| ClamAV | Win.Trojan.Pcclient-4245 |
| Kaspersky | Trojan.Script.Jobber.d |
| NANO-Antivirus | Trojan.Win32.PcClient.dgwtmn |
| Rising | Virus.Olsa!1.A24F (CLASSIC) |
| Ad-Aware | Dropped:Trojan.Generic.1624094 |
| Sophos | Troj/Olsa-A |
| Comodo | Malware@#nncvvfqmcjsy |
| F-Secure | Trojan.TR/Dropper.Gen |
| DrWeb | BackDoor.PcClient.3131 |
| Invincea | Generic ML PUA (PUA) |
| McAfee-GW-Edition | BehavesLike.Win32.Backdoor.bc |
| Emsisoft | Trojan.Bat.Salo.A (B) |
| Jiangmin | TrojanDropper.Agent.acdm |
| Avira | TR/Dropper.Gen |
| MAX | malware (ai score=87) |
| Antiy-AVL | Trojan/Win32.AGeneric |
| Kingsoft | Win32.Troj.DeepScan.a.(kcloud) |
| Microsoft | Trojan:Win32/Olsa!rfn |
| Arcabit | Trojan.Generic.D18C81E |
| AhnLab-V3 | Dropper/PcClient.Gen |
| ZoneAlarm | Trojan.Script.Jobber.d |
| GData | Dropped:Trojan.Generic.1624094 (2x) |
| Cynet | Malicious (score: 100) |
| ESET-NOD32 | multiple detections |
| McAfee | Artemis!D12BDB084F1B |
| VBA32 | Win32.Trojan.Dropper.Heur |
| Malwarebytes | Trojan.Dropper.SFXAI |
| TrendMicro-HouseCall | TROJ_DROPPER.QBZ |
| Tencent | Virus.Win32.SOLA.c |
| Yandex | Backdoor.PcClient!Whun8uuq72A |
| Ikarus | Trojan.SuspectCRC |
| Fortinet | W32/PcClient.FED!tr |
| AVG | VBS:Agent-ED [Trj] |
| Avast | VBS:Agent-ED [Trj] |
| CrowdStrike | win/malicious_confidence_80% (D) |
How to remove Trojan:Win32/Olsa!rfn?
- Download and install GridinSoft Anti-Malware.
- Open GridinSoft Anti-Malware and perform a “Standard scan“.
- “Move to quarantine” all items.
- Open “Tools” tab – Press “Reset Browser Settings“.
- Select proper browser and options – Click “Reset”.
- Restart your computer.
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