Categories: Backdoor

What is “Backdoor:Win32/BackOrifice.41472.A”?

The Backdoor:Win32/BackOrifice.41472.A 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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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.
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What Backdoor:Win32/BackOrifice.41472.A virus can do?

  • Creates RWX memory
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Backdoor:Win32/BackOrifice.41472.A?


File Info:

crc32: 1AF77D91md5: d6a3d74a9569d5ba0704ded20eeeba6bname: D6A3D74A9569D5BA0704DED20EEEBA6B.mlwsha1: 1ee58b0432de36306bf2e1ba74688a981799811asha256: 3a529dc462003220f9a04b2b17371d3c3fda7e21d666b012ef5417e1cc4b90a1sha512: bfbddce511a6d026bc422c1b7f825adf03cdaa43e999e5d01182a8969ff1e57a02cf91126a5678d62017a52fcfa6319b884af1fc0165090044636151d69f8257ssdeep: 6144:WUyOqzEtGSZMat/rcMBKJRf8wIFeuinY/e34FtaAlyC6tOqS8C1YqggNBPTB:Zy1SGy1kRf8wIeY/c4zlyC6wn88YZcBdtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/BackOrifice.41472.A also known as:

K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Joiner.b!c
DrWeb Trojan.Oriff
Cynet Malicious (score: 99)
ALYac Gen:Trojan.Heur.yqZ@HDq!@dni
Cylance Unsafe
Zillya Dropper.Joiner.Win32.3335
K7GW Riskware ( 0040eff71 )
Cybereason malicious.a9569d
Cyren W32/Back_Orifice.41472.A
Symantec BackOrifice.Trojan
ESET-NOD32 TrojanRunner.C
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Orifice-4
Kaspersky Trojan-Dropper.Win32.Joiner.c
BitDefender Gen:Trojan.Heur.yqZ@HDq!@dni
NANO-Antivirus Trojan.Win32.Joiner.dioh
ViRobot Backdoor.Win32.BO.41472
MicroWorld-eScan Gen:Trojan.Heur.yqZ@HDq!@dni
Tencent Malware.Win32.Gencirc.10c897fb
Ad-Aware Gen:Trojan.Heur.yqZ@HDq!@dni
Sophos Mal/Generic-R + Troj/BO-dropper
Comodo TrojWare.Win32.BO.Plugin.2_0@1ifh
BitDefenderTheta AI:Packer.70DBCCDA1C
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_JOINER.A
McAfee-GW-Edition BehavesLike.Win32.VirRansom.fc
FireEye Generic.mg.d6a3d74a9569d5ba
Emsisoft Gen:Trojan.Heur.yqZ@HDq!@dni (B)
Jiangmin TrojanDropper.Win32.Joiner.c
Avira TR/Orifice.Addon
eGambit Unsafe.AI_Score_94%
Antiy-AVL Trojan/Generic.ASMalwS.1D038
Microsoft Backdoor:Win32/BackOrifice.41472.A
ZoneAlarm Trojan-Dropper.Win32.Joiner.c
GData Gen:Trojan.Heur.yqZ@HDq!@dni
AhnLab-V3 Win-Trojan/BO.41472
McAfee MultiDropper-T
MAX malware (ai score=83)
VBA32 Backdoor.BO.SilkRope
Malwarebytes Malware.AI.3053077105
Panda Trj/Runner.C
TrendMicro-HouseCall TROJ_JOINER.A
Yandex Trojan.GenAsa!SuoXHrx0APg
Ikarus Trojan-Dropper.Win32.Joiner.C
Fortinet W32/Dropper.OAQ!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.Generic.HykCEpsA

How to remove Backdoor:Win32/BackOrifice.41472.A?

  • 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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