Categories: Backdoor

Backdoor.Agent.FPO removal instruction

The Backdoor.Agent.FPO 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.Agent.FPO virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup

How to determine Backdoor.Agent.FPO?


File Info:

name: 32BF8C14A2105A505857.mlwpath: /opt/CAPEv2/storage/binaries/34f835d5a9f385f417514b765830bfe0a5f86de11d4924a7045c78997c569686crc32: 88AC5482md5: 32bf8c14a2105a5058575101f85992c3sha1: 2476570b2d9b992cd560134d9883ac7adbfb796fsha256: 34f835d5a9f385f417514b765830bfe0a5f86de11d4924a7045c78997c569686sha512: 1e44aa1285674dd6526ac9ca9a8445bc16e67f49f214d7ae5f61dd857df4afd27fcee80a376fcc13c8c72e1cdf1a6ac7a4ae7f56528b28f90787e2ce454f6490ssdeep: 6144:HncthzD8AUsWwEzHUojd4hcKbm8ze+opIlXmo:HcthDXMHWRbmWenpIJmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13A340114721486AAD1627AF09573E6E462B09DC64470738F6AB5360F60F3D07DE0FA7Esha3_384: 668fd8088b460febe32337b4460af7a44ef7b6e227102018f7d62e35bb505d6b96ef09ff9060f9cdd1e5ad82fbfeadd0ep_bytes: ff250020400000000000000000000000timestamp: 2013-09-11 01:08:13

Version Info:

Translation: 0x0000 0x04b0Comments: Keygen by IMPosTORCompanyName: www.de-compiler.meFileDescription: IMPosTOR_Keygen.exeFileVersion: 2.5.0.0InternalName: .exeLegalCopyright: Copyright © 2013OriginalFilename: .exeProductVersion: 2.5.0.0Assembly Version: 7.3.11.0

Backdoor.Agent.FPO also known as:

Elastic malicious (high confidence)
DrWeb DDoS.MP.5
MicroWorld-eScan Gen:Variant.MSILPerseus.165174
FireEye Generic.mg.32bf8c14a2105a50
McAfee Artemis!32BF8C14A210
Cylance Unsafe
Sangfor Trojan.Win32.Kazy.brvr
CrowdStrike win/malicious_confidence_90% (W)
K7GW Trojan ( 700000121 )
K7AntiVirus Trojan ( 700000121 )
Arcabit Trojan.MSILPerseus.D28536
BitDefenderTheta AI:Packer.4E80922D1E
Symantec Trojan.Zbot
ESET-NOD32 a variant of MSIL/Injector.BVB
TrendMicro-HouseCall TROJ_GEN.R06CC0WKG21
Avast Win32:RATX-gen [Trj]
Kaspersky Trojan.Win32.Diple.fqfw
BitDefender Gen:Variant.MSILPerseus.165174
NANO-Antivirus Trojan.Win32.Scarsi.didxep
Ad-Aware Gen:Variant.MSILPerseus.165174
Sophos Mal/Generic-S
Comodo TrojWare.MSIL.Injector.BWCA@557otw
VIPRE Backdoor.MSIL.Fynloski.a (v)
TrendMicro TROJ_GEN.R06CC0WKG21
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Emsisoft Gen:Variant.MSILPerseus.165174 (B)
Jiangmin TrojanDropper.Autoit.bxz
Avira TR/Dropper.MSIL.Gen
Antiy-AVL Trojan/Generic.ASMalwS.4978CE
Kingsoft Win32.Troj.Diple.fq.(kcloud)
Microsoft Backdoor:MSIL/Bladabindi
GData Gen:Variant.MSILPerseus.165174
Cynet Malicious (score: 100)
ALYac Gen:Variant.MSILPerseus.165174
MAX malware (ai score=87)
Malwarebytes Backdoor.Agent.FPO
APEX Malicious
Yandex Trojan.Diple!gzr5Z0P1iJU
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Injector.DFY!tr
AVG Win32:RATX-gen [Trj]
Cybereason malicious.4a2105
Panda Generic Malware

How to remove Backdoor.Agent.FPO?

  • 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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