How to remove “Backdoor:Win32/Kelihos.B”?

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

How to determine Backdoor:Win32/Kelihos.B?


File Info:
crc32: 71D56599
md5: 817889558ad1e45983cff731b6a64dfd
name: 817889558AD1E45983CFF731B6A64DFD.mlw
sha1: c6d55b56a8ccf8396431a529c4ac6fed3ab02af0
sha256: d1016c29e33acc94835e337e5419152ab53418fefbb37a54ceed9a2c61a7b4cb
sha512: db3c40c7f0a756af750eff85c869eefab933d29e38ae27eec1db30e45ddf9d58e63f35f9889e072addbdcf97ee2da5db220fbac6cee881787c0bce4c9aa53161
ssdeep: 24576:tWvySvunDrsRNqvu/d4rd/uYTvrmEyZUtaX3naW8:1PQirx
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Copyright (C) 2010
InternalName: UIScanner
FileVersion: 13,0,21,1
CompanyName: BitDefender S.R.L.
ProductName: BitDefender 2010
ProductVersion: 13,0,18,344
FileDescription: BitDefender Antivirus Scanner
OriginalFilename: uiscan.exe
Translation: 0x0409 0x04b0

Backdoor:Win32/Kelihos.B also known as:

K7AntiVirus	Trojan ( 0026c9311 )
Cynet	Malicious (score: 100)
CAT-QuickHeal	TrojanRansom.Timer
ALYac	Gen:Heur.FKP.1
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
Alibaba	Trojan:Win32/Obfuscator.de03912c
K7GW	Trojan ( 0026c9311 )
Cybereason	malicious.58ad1e
Cyren	W32/S-bdcee22a!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Kryptik.OHM
APEX	Malicious
Avast	Win32:Mystic
Kaspersky	VHO:Trojan-Ransom.Win32.Timer.gen
BitDefender	Gen:Heur.FKP.1
NANO-Antivirus	Trojan.Win32.Slym.dddne
SUPERAntiSpyware	Trojan.Agent/Gen-FakeAV
MicroWorld-eScan	Gen:Heur.FKP.1
Tencent	Win32.Trojan.Generic.Dyqa
Ad-Aware	Gen:Heur.FKP.1
Sophos	ML/PE-A + Mal/FakeAV-MR
Comodo	Malware@#2xlv7gip6fgrg
BitDefenderTheta	Gen:NN.ZexaF.34738.uv0@a8uwCKai
VIPRE	Trojan.Win32.Ransom.do (v)
TrendMicro	Ransom_Timer.R002C0DFB21
McAfee-GW-Edition	FakeAV-SecurityTool.js
FireEye	Generic.mg.817889558ad1e459
Emsisoft	Gen:Heur.FKP.1 (B)
SentinelOne	Static AI – Suspicious PE
Jiangmin	Hoax.FlashApp.ahj
Avira	TR/Crypt.XPACK.Gen
Antiy-AVL	Trojan/Generic.ASMalwS.18E113F
Microsoft	Backdoor:Win32/Kelihos.B
Arcabit	Trojan.FKP.1
GData	Gen:Heur.FKP.1
AhnLab-V3	Trojan/Win.Generic.R425314
Acronis	suspicious
McAfee	FakeAV-SecurityTool.js
MAX	malware (ai score=84)
VBA32	Trojan.ExpProc.014
Panda	Trj/GdSda.A
TrendMicro-HouseCall	Ransom_Timer.R002C0DFB21
Rising	Trojan.Generic@ML.100 (RDML:IiApZHT/yptf15votfVWPA)
Ikarus	Trojan.Win32.Yakes
MaxSecure	Trojan.Yakes.dwnc
Fortinet	W32/BrowHost.KP!tr
AVG	Win32:Mystic
Paloalto	generic.ml

How to remove Backdoor:Win32/Kelihos.B?

Backdoor:Win32/Kelihos.B removal tool

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.

About the author

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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