Categories: Backdoor

What is “Backdoor:Win32/Kelihos.F”?

The Backdoor:Win32/Kelihos.F 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/Kelihos.F virus can do?

  • Attempts to connect to a dead IP:Port (11 unique times)
  • Starts servers listening on 127.0.0.1:0
  • Exhibits behavior characteristic of Kelihos malware
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Attempts to access Bitcoin/ALTCoin wallets
  • Harvests credentials from local FTP client softwares
  • Installs WinPCAP

How to determine Backdoor:Win32/Kelihos.F?


File Info:

crc32: 7036B38Emd5: 91f25b52d9bf833b9ac36e7258e44807name: dumped.exesha1: a1b9024eb52a4450ae587dfddfcae37581daa5e3sha256: 89c2d370bfa36f1d4c3e4f2ff36f966bafef3e1179319e3a4a0f2a344896bc41sha512: 98012197368842734c9c32c650ee660051bbf179b18627dcf74a2252db553ba1ff4d1e8ffa9d0e7cd98b2b097c9cd9c7294d78026dfb11142b842386d98f4aadssdeep: 49152:U/stUum3+udknu1nXsNcrTrus02tsVTelDTzOw5:A8U1+uduu1n8GrTru4nitype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Kelihos.F also known as:

Bkav W32.SonyAgentE.Trojan
MicroWorld-eScan Gen:Variant.Graftor.Elzob.273
FireEye Generic.mg.91f25b52d9bf833b
CAT-QuickHeal Backdoor.Kelihos
McAfee Artemis!91F25B52D9BF
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 004cba681 )
BitDefender Gen:Variant.Graftor.Elzob.273
K7GW Trojan ( 004cba681 )
CrowdStrike win/malicious_confidence_100% (W)
TrendMicro TROJ_FRS.0NA103CE19
F-Prot W32/Kelihos.B
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
GData Gen:Variant.Graftor.Elzob.273
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Kelihos.2ca77014
NANO-Antivirus Trojan.Win32.Slym.eupess
ViRobot Trojan.Win32.Z.Kelihos.1965568
AegisLab Trojan.Win32.Generic.4!c
Rising Backdoor.Win32.Kelihos.b (CLOUD)
Ad-Aware Gen:Variant.Graftor.Elzob.273
Emsisoft Gen:Variant.Graftor.Elzob.273 (B)
Comodo Malware@#qlgdpkgk1j1k
F-Secure Heuristic.HEUR/AGEN.1019904
DrWeb BackDoor.Slym.798
Zillya Trojan.Kelihos.Win32.125
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.SpyAgent.th
MaxSecure Trojan.Malware.7164915.susgen
Trapmine malicious.high.ml.score
Sophos Troj/Agent-AZLS
Ikarus Backdoor.Win32.Kelihos
Cyren W32/Kelihos.CSIK-6531
Jiangmin Trojan/Generic.ancgi
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1019904
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.AGeneric
Endgame malicious (high confidence)
Arcabit Trojan.Graftor.Elzob.273
SUPERAntiSpyware Trojan.Agent/Gen-Ursu
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Backdoor:Win32/Kelihos.F
AhnLab-V3 Backdoor/Win32.Kelihos.R12744
Acronis suspicious
VBA32 BScope.Backdoor.Slym
ALYac Gen:Variant.Graftor.Elzob.23162
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kelihos.B
TrendMicro-HouseCall TROJ_FRS.0NA103CE19
Tencent Win32.Backdoor.Kelihos.Hupe
Yandex Trojan.Kelihos!KNWY8yM+p8E
SentinelOne DFI – Suspicious PE
eGambit Generic.Backdoor
Fortinet W32/Kelihos.JI!tr
BitDefenderTheta Gen:NN.ZexaF.34090.3vW@aCPDW2f
AVG Win32:Malware-gen
Cybereason malicious.2d9bf8
Avast Win32:Malware-gen
Qihoo-360 Win32/Trojan.c3d

How to remove Backdoor:Win32/Kelihos.F?

  • 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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