Categories: Backdoor

How to remove “Backdoor:MSIL/Orcus.A!bit”?

The Backdoor:MSIL/Orcus.A!bit 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.

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What Backdoor:MSIL/Orcus.A!bit virus can do?

  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs

How to determine Backdoor:MSIL/Orcus.A!bit?


File Info:

crc32: 8C31B3EDmd5: ccedce2c9563d44c90398d575c77e1bfname: l.exesha1: e83bcda2993aa1aaeda06e47a862bd600e6223absha256: 7ffa8a4939cf92caf8983afa85749d4fcb5eaa78769fe4f5dc7794a263ee5ed3sha512: eb4985c06164cf68119fe1bc187a9b6d68acb559df53bc7d4697ef2b80f943d1d3e67e6e24474a911ebf4a51b3bc0e1214cd4d420065d70704ac7eb302c077a3ssdeep: 24576:7Ka4MROxnFf3+zyrrcI0AilFEvxHPBWqoot:7OMidZrrcI0AilFEvxHPBtype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Assembly Version: 1.0.0.0InternalName: Orcus.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: ProductVersion: 1.0.0.0FileDescription: OriginalFilename: Orcus.exe

Backdoor:MSIL/Orcus.A!bit also known as:

MicroWorld-eScan Generic.MSIL.PasswordStealerA.95E5CD5A
FireEye Generic.mg.ccedce2c9563d44c
CAT-QuickHeal Trojan.MsilFC.S6051223
McAfee BackDoor-FDJE!CCEDCE2C9563
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 005011a81 )
BitDefender Generic.MSIL.PasswordStealerA.95E5CD5A
K7GW Trojan ( 005011a81 )
Cybereason malicious.c9563d
Invincea heuristic
BitDefenderTheta Gen:NN.ZemsilF.34104.4m0@aC5C6z
Cyren W32/MSIL_Injector.KK.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
ClamAV Win.Packed.Razy-6847895-0
GData MSIL.Backdoor.Orcus.A
Kaspersky HEUR:Trojan-Spy.MSIL.Generic
Alibaba Malware:Win32/Dorpal.ali1000029
Tencent Malware.Win32.Gencirc.10b969c5
Ad-Aware Generic.MSIL.PasswordStealerA.95E5CD5A
Sophos Troj/Orcusrot-A
Comodo Malware@#2ow6doh61qxkv
F-Secure Heuristic.HEUR/AGEN.1013795
DrWeb Trojan.DownLoader24.57377
TrendMicro BKDR_ORCUSRAT.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Trapmine malicious.high.ml.score
Emsisoft Backdoor.Orcus (A)
SentinelOne DFI – Malicious PE
F-Prot W32/MSIL_Injector.KK.gen!Eldorado
Jiangmin TrojanSpy.MSIL.sam
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1013795
MAX malware (ai score=100)
Endgame malicious (high confidence)
Arcabit Generic.MSIL.PasswordStealerA.95E5CD5A
SUPERAntiSpyware Trojan.Agent/Gen-Injector
ZoneAlarm HEUR:Trojan-Spy.MSIL.Generic
Microsoft Backdoor:MSIL/Orcus.A!bit
AhnLab-V3 Win-Trojan/OrcusRAT.Exp
VBA32 Trojan.Downloader
ALYac Generic.MSIL.PasswordStealerA.95E5CD5A
Malwarebytes Backdoor.Orcus
Panda Trj/CI.A
ESET-NOD32 a variant of MSIL/Orcusrat.D
TrendMicro-HouseCall BKDR_ORCUSRAT.SM
Rising Backdoor.Orcus!1.BABC (CLOUD)
Yandex Trojan.Orcusrat!
Ikarus Trojan.MSIL.Agent
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Generic.AP.F529E!tr
AVG Win32:CrypterX-gen [Trj]
Avast Win32:CrypterX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Trojan.Generic

How to remove Backdoor:MSIL/Orcus.A!bit?

  • 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.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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