Categories: Backdoor

How to remove “Backdoor.Win32.Bifrose.gbtw”?

The Backdoor.Win32.Bifrose.gbtw 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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What Backdoor.Win32.Bifrose.gbtw virus can do?

  • Injection (inter-process)
  • Executable code extraction
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Queries information on disks, possibly for anti-virtualization
  • Checks for the presence of known windows from debuggers and forensic tools
  • Installs itself for autorun at Windows startup
  • Checks for the presence of known devices from debuggers and forensic tools
  • Checks the version of Bios, possibly for anti-virtualization
  • Detected Armadillo packer using a known mutex
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system

How to determine Backdoor.Win32.Bifrose.gbtw?


File Info:

crc32: E7671AC1md5: a613fad7d70b42492fdd6ec8abe99fdbname: A613FAD7D70B42492FDD6EC8ABE99FDB.mlwsha1: ded2d27c80938794784b5bab480008f2f32c79easha256: df2080fb766d6aa29d082c0edbdebcd1100d8df99832c48cfe752c14ee1b50cesha512: ffa7ece0c3c166a272bc3e27d3c51bbc5a4046dffb8fcd35b1d951bf27742db27066f3752016bdd8c22606775756bfac11e86628daa19a9ed2f9ca1df51ca354ssdeep: 24576:YlKqK5qRkiB9y+qTr/boos1Tx3SqENd4Y:6d3PqTx6KNdDtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor.Win32.Bifrose.gbtw also known as:

Lionic Trojan.Win32.Bifrose.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
Cylance Unsafe
Zillya Trojan.Agent2.Win32.889
Alibaba Backdoor:Win32/Bifrose.648a85cc
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Dropper.Agent-186185
Kaspersky Backdoor.Win32.Bifrose.gbtw
NANO-Antivirus Trojan.Win32.Bublik.cpmloq
Tencent Win32.Backdoor.Bifrose.Lkdf
Sophos Generic ML PUA (PUA)
BitDefenderTheta Gen:NN.ZexaF.34170.8GW@amWNS6
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Injector.dc
FireEye Generic.mg.a613fad7d70b4249
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Pincav.atc
Webroot W32.Malware.Gen
Avira TR/Crypt.ASPM.Gen
Kingsoft Win32.Troj.DeepScan.a.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Backdoor.Win32.Bifrose.gbtw
McAfee Artemis!A613FAD7D70B
VBA32 Trojan.Agent
Panda Trj/CI.A
Yandex Trojan.Bublik!yBdYo4wWqSo
Ikarus Trojan.Crypt
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Backdoor.Win32.Bifrose.gbtw?

  • 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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