Backdoor

Backdoor:Win32/Kelihos!A removal guide

Malware Removal

The Backdoor:Win32/Kelihos!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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Gridinsoft Anti-Malware

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!A virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Creates RWX memory
  • Starts servers listening on 127.0.0.1:0
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Steals private information from local Internet browsers
  • Exhibits behavior characteristic of Kelihos malware
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Creates a hidden or system file
  • Attempts to access Bitcoin/ALTCoin wallets
  • Harvests credentials from local FTP client softwares
  • Installs WinPCAP
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Backdoor:Win32/Kelihos!A?


File Info:

crc32: DED589FA
md5: e42da65fcb2f4812b36d237b6a4d92e0
name: E42DA65FCB2F4812B36D237B6A4D92E0.mlw
sha1: c6a9d6373aae83e2e891e12bf41258a23bae1d97
sha256: 03395e93c338c3bfb8ceb129b94e3419d36ba365fc2a9d5e35c3c1e13f884245
sha512: 6a105e94db7020fdcf22a66679da5ffa6e0d8a42cbdbaa4c4d5f43e68b5fb57d5d0c1a494591b17942a90fd237b9fcc3899f186000163a0e87605184c6dfdc67
ssdeep: 24576:47w21ZoSfk3V/6tKMSocbOWkgbih4pGL:47LPfXU+gkxugL
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Kelihos!A also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
DrWebTrojan.Packed.196
MicroWorld-eScanTrojan.VIZ.Gen.1
ALYacTrojan.VIZ.Gen.1
CylanceUnsafe
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaBackdoor:Win32/Kelihos.7aa843c9
K7GWTrojan ( 0040f4af1 )
K7AntiVirusTrojan ( 0040f4af1 )
BaiduWin32.Trojan.Kryptik.yf
CyrenW32/SuspPack.FK.gen!Eldorado
ESET-NOD32a variant of Win32/Kryptik.BDMX
APEXMalicious
AvastWin32:LockScreen-ZT [Trj]
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.VIZ.Gen.1
NANO-AntivirusTrojan.Win32.ZBot.fagzmh
TencentWin32.Trojan.Spy.Ahof
Ad-AwareTrojan.VIZ.Gen.1
SophosML/PE-A + Troj/Zbot-FLU
ComodoTrojWare.Win32.Kryptik.AHXM@4yhtgt
BitDefenderThetaGen:NN.ZexaF.34294.WuW@a0Xadjde
ZillyaTrojan.Kryptik.Win32.954485
TrendMicroTROJ_RANSOM.SM02
FireEyeGeneric.mg.e42da65fcb2f4812
EmsisoftTrojan.VIZ.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan/PSW.Tepfer.bhsf
AviraTR/Spy.Zbot.psg
eGambitUnsafe.AI_Score_98%
ArcabitTrojan.VIZ.Gen.1
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicrosoftBackdoor:Win32/Kelihos.gen!A
AhnLab-V3Trojan/Win32.Tepfer.R69899
Acronissuspicious
McAfeePWS-Zbot
MAXmalware (ai score=100)
VBA32Trojan.Packed
MalwarebytesTrojan.Agent.RF
PandaAdware/SystemTool
TrendMicro-HouseCallTROJ_RANSOM.SM02
RisingBackdoor.Agent!1.69A8 (CLASSIC)
YandexTrojan.GenAsa!egbvNPLOwK4
IkarusTrojan-PWS.Win32.Tepfer
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.AGAJ!tr
AVGWin32:LockScreen-ZT [Trj]

How to remove Backdoor:Win32/Kelihos!A?

Backdoor:Win32/Kelihos!A 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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