Malware

Should I remove “Win32:Bifrose-ESM [Trj]”?

Malware Removal

The Win32:Bifrose-ESM [Trj] 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 Win32:Bifrose-ESM [Trj] virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Behavioural detection: Injection (inter-process)
  • Anomalous binary characteristics

How to determine Win32:Bifrose-ESM [Trj]?


File Info:

name: 00A0D798A84A868CF841.mlw
path: /opt/CAPEv2/storage/binaries/1f737c183cc78d6a53914d505ce35e0ececb6f1ca35bf6e4323fdfc4c62a4c87
crc32: B594C5EE
md5: 00a0d798a84a868cf841318ce6991d09
sha1: 00258deb59ad8896a4a6d4661401ce92599a5bc4
sha256: 1f737c183cc78d6a53914d505ce35e0ececb6f1ca35bf6e4323fdfc4c62a4c87
sha512: aa73adc76a65df0a8fde86fefab3adbe8eea8bd3cdfacd2cf7c4f44d13103aab94b458b4867d9f9dce8a96309fdfe23a187351deb85f5b185d029b1ad1c1e575
ssdeep: 1536:nMJ249icel/Z01/NBX4UDpegM3zwACUJGLq42GrElP2T/1oHd5RVJfO2cteDItCu:MX0e1FB/DpKjCLHB2costCxz439mK
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T162442D3A19BD123BD1A4CAB5CFC68827F454E47B34212D36A8D787998347D8369CB13E
sha3_384: 2b69ed315b2ded907b57478815a4ad078d88f894be3c5ccaf3fc54e73b823804f0573c22dca7583f2288488b664860ca
ep_bytes: 6870144000e8f0ffffff000000000000
timestamp: 2001-09-17 19:38:54

Version Info:

Translation: 0x0409 0x04b0
Comments: gEKGSVkFHQ
CompanyName: Yqn
FileDescription: FhDPeLdOSsh
LegalCopyright: iZnxgg
LegalTrademarks: VyO
ProductName: BUOE
FileVersion: 3.10.0097
ProductVersion: 3.10.0097
InternalName: Stub
OriginalFilename: Stub.exe

Win32:Bifrose-ESM [Trj] also known as:

BkavW32.Common.17CA07F4
LionicTrojan.Win32.Refroso.llTV
AVGWin32:Bifrose-ESM [Trj]
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.VB.Krypt.13
FireEyeGeneric.mg.00a0d798a84a868c
CAT-QuickHealTrojan.VB.Gen
SkyhighGeneric VB.fo
Cylanceunsafe
ZillyaTrojan.Bifrose.Win32.5300
SangforSuspicious.Win32.Save.vb
AlibabaTrojanDropper:Win32/Bifrose.fcb0f12b
K7GWTrojan ( 0054ec131 )
K7AntiVirusTrojan ( 0054ec131 )
BitDefenderThetaAI:Packer.CB444DC315
VirITTrojan.Win32.Inject.EEI
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/Bifrose.NIO
CynetMalicious (score: 99)
APEXMalicious
ClamAVWin.Dropper.Bifrost-7777327-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.VB.Krypt.13
NANO-AntivirusTrojan.Win32.Bifrose.digfw
AvastWin32:Bifrose-ESM [Trj]
TencentWin32.Trojan.Generic.Anhl
SophosTroj/VB-JHN
F-SecureBackdoor.BDS/Bifrose.OB
DrWebWin32.HLLW.Autoruner.9222
VIPREGen:Heur.VB.Krypt.13
TrendMicroTROJ_BIFROS.SMI
EmsisoftGen:Heur.VB.Krypt.13 (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Heur.VB.Krypt.13
WebrootW32.Bifrose.Gen
VaristW32/VBInject.Y.gen!Eldorado
AviraBDS/Bifrose.OB
Antiy-AVLTrojan/Win32.Bifrose.nta
KingsoftWin32.Trojan.Generic.a
XcitiumTrojWare.Win32.VB.fmmu@4aq4ot
ArcabitTrojan.VB.Krypt.13
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojanDropper:Win32/Bifrose.F
GoogleDetected
AhnLab-V3Trojan/Win32.Refroso.C1778
McAfeeGeneric VB.fo
MAXmalware (ai score=100)
VBA32Malware-Cryptor.VB.gen.1
MalwarebytesGeneric.Malware.AI.DDS
PandaGeneric Malware
TrendMicro-HouseCallTROJ_BIFROS.SMI
RisingHackTool.VBInject!1.6497 (CLASSIC)
YandexTrojan.GenAsa!zsKxMqyCeSE
IkarusTrojan.Win32.Refroso
FortinetW32/Bifrose.NKY!tr
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Bifrose.NIO

How to remove Win32:Bifrose-ESM [Trj]?

Win32:Bifrose-ESM [Trj] 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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