Categories: Backdoor

Should I remove “Backdoor.Win32.Remcos.nun”?

The Backdoor.Win32.Remcos.nun 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.Win32.Remcos.nun virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Backdoor.Win32.Remcos.nun?


File Info:

crc32: 99291B23md5: 77d12e2ca690ed05dd8a2aa06a809a45name: nass.exesha1: 6b4ae7905b3f51c19b1de72287d6b0a88f66f8ebsha256: 33414949d9094cd4837b765b9164d860ad6785f06de72cd0cbc99ddef8de867fsha512: 1405ab34ece8c74609e995464314b538da1d1b1119ae12e7e68e6bfb1de4fb83fb8e4925e5bcec71ce12d63dd91ce42f8e900a60757e457b1bc6718143c159a4ssdeep: 768:f9B+L4dCZxdXtdMjPuauAXH8HI+J8y5015mnI256aACqqcdKMqHpXawifG:VH4ZxyBbNEP+15oI2Ua1BB5Xa3+type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: Stumpha7FileVersion: 1.00CompanyName: SMARtComments: SMARtProductName: NonspeciousverProductVersion: 1.00FileDescription: Velforsyned4OriginalFilename: Stumpha7.exe

Backdoor.Win32.Remcos.nun also known as:

MicroWorld-eScan Trojan.GenericKD.33562134
McAfee Artemis!77D12E2CA690
ALYac Trojan.Downloader.Agent
Malwarebytes Trojan.GuLoader.VB
BitDefender Trojan.GenericKD.33562134
K7GW Trojan ( 005634f71 )
Cybereason malicious.05b3f5
TrendMicro Trojan.Win32.WACATAC.THCBDBO
F-Prot W32/Downloader.FI.gen!Eldorado
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
GData Trojan.GenericKD.33562134
Kaspersky Backdoor.Win32.Remcos.nun
Alibaba Trojan:Win32/vbcrypt.ali2000008
AegisLab Trojan.Win32.Remcos.m!c
Tencent Win32.Backdoor.Remcos.Akfh
Endgame malicious (high confidence)
Sophos Mal/FareitVB-W
DrWeb Trojan.DownLoader33.20924
McAfee-GW-Edition BehavesLike.Win32.Trojan.cz
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKD.33562134 (B)
Ikarus Trojan.VB.Crypt
Cyren W32/Downloader.FI.gen!Eldorado
Arcabit Trojan.Generic.D2001E16
ZoneAlarm Backdoor.Win32.Remcos.nun
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Trojan/Win32.Fareit.R329896
Acronis suspicious
Ad-Aware Trojan.GenericKD.33562134
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Injector.ELFI
TrendMicro-HouseCall Trojan.Win32.WACATAC.THCBDBO
Rising Backdoor.Remcos!8.B89E (CLOUD)
Fortinet W32/ELFI!tr
BitDefenderTheta Gen:NN.ZevbaF.34104.hm0@a0jEohfi
AVG Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 HEUR/QVM03.0.1EA1.Malware.Gen

How to remove Backdoor.Win32.Remcos.nun?

  • 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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