Trojan

What is “Trojan.Heur.KS.4”?

Malware Removal

The Trojan.Heur.KS.4 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 Trojan.Heur.KS.4 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Trojan.Heur.KS.4?


File Info:

crc32: 1DE80453
md5: 31b7c09507f7df91629de93ed0900209
name: 31B7C09507F7DF91629DE93ED0900209.mlw
sha1: 6d0687dd49dbfbc1b0d96d028a45f1edb652d03b
sha256: 978085716378b365ff164919373bc6d21cfa0aa798b913758dd47c2a83e22fd0
sha512: 9304d5bd11de2307abf4573b78c340531a812ccb293f906e844828e0e19273cdb4a909914ed3e82caa5fff0717af8bfff03ad195b7f2a5e29b7cfc3c9614bd4c
ssdeep: 768:Ek7DcTBUiN/TeiZ+VWwBwkXn60L70TLuSn11y9GqP96/Z+biQsmjRolwwerEBLpL:ESY1kX680TaSg96BRQRYygrvhNj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Heur.KS.4 also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Bifrose.ljiM
Elasticmalicious (high confidence)
DrWebBackDoor.Siggen.26227
ClamAVWin.Trojan.Bifrose-28233
McAfeeGeneric BackDoor.aab
CylanceUnsafe
ZillyaVirus.Bitforse.Win32.1
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaBackdoor:Win32/Bifrose.866f5dbd
K7GWTrojan ( 700001211 )
Cybereasonmalicious.507f7d
CyrenW32/Bifrost.W.gen!Eldorado
SymantecBackdoor.Trojan
ESET-NOD32a variant of Win32/Bifrose.NUQ
ZonerTrojan.Win32.36495
APEXMalicious
AvastWin32:BackDoor-ZR [Trj]
CynetMalicious (score: 100)
KasperskyBackdoor.Win32.Bifrose.fxv
BitDefenderGen:Trojan.Heur.KS.4
NANO-AntivirusTrojan.Win32.TrjGen.jfhxu
ViRobotBackdoor.Win32.A.Bifrose.32637.EW
MicroWorld-eScanGen:Trojan.Heur.KS.4
TencentTrojan.Win32.Refroso.dejg
Ad-AwareGen:Trojan.Heur.KS.4
SophosMal/Generic-R + Mal/Bifrose-AJ
ComodoBackdoor@#pjscve85mg1l
BitDefenderThetaAI:Packer.4B68629A14
VIPREBackdoor.Win32.Bifrose.fpba (v)
TrendMicroTROJ_KRYPT.SMUS1
McAfee-GW-EditionBehavesLike.Win32.VirRansom.qc
FireEyeGeneric.mg.31b7c09507f7df91
EmsisoftGen:Trojan.Heur.KS.4 (B)
SentinelOneStatic AI – Malicious PE
JiangminBackdoor/Bifrose.fzf
WebrootW32.Malware.Gen
AviraBDS/Bifrose.cep
Antiy-AVLTrojan/Generic.ASBOL.D94
MicrosoftBackdoor:Win32/Bifrose.HM
GDataGen:Trojan.Heur.KS.4
TACHYONTrojan/W32.Refroso.57593.H
AhnLab-V3Backdoor/Win32.Bifrose.R2880
Acronissuspicious
VBA32BScope.Backdoor.Bifrose
MAXmalware (ai score=99)
MalwarebytesMalware.AI.2020147850
PandaGeneric Malware
TrendMicro-HouseCallTROJ_KRYPT.SMUS1
RisingTrojan.Generic@ML.100 (RDML:CEhX/RR9woyYT2XXe5sEbg)
YandexTrojan.GenAsa!THwNrlFVmEA
IkarusBackdoor.Win32.Bifrose
MaxSecureBackdoor.W32.Refroso.djjg
FortinetW32/Generic.AC.1239D!tr
AVGWin32:BackDoor-ZR [Trj]
Paloaltogeneric.ml

How to remove Trojan.Heur.KS.4?

Trojan.Heur.KS.4 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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