Backdoor

About “Backdoor:Linux/Yakuza.YA!MTB” infection

Malware Removal

The Backdoor:Linux/Yakuza.YA!MTB 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.

GridinSoft Anti-Malware

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:Linux/Yakuza.YA!MTB virus can do?

  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Uses Windows utilities for basic functionality
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • A potential decoy document was displayed to the user
  • Network activity detected but not expressed in API logs

How to determine Backdoor:Linux/Yakuza.YA!MTB?


File Info:

crc32: 4F21A885
md5: 040981eb50fd6ac4791f8479cb186a2b
name: tmpgqud27pf
sha1: 2afd348ffeaa27068c0f8b0d0ef5da7f587973bc
sha256: dcd364be5a0b54295b9d07917cf262bf4223570c3c60ee49b422dd2a36041c5e
sha512: 5928b4efa36b4a1dbb6b6393ca1298559729dad43e6d7864ffc7b5d0f2d432c4af0e02bf071e078a3e2877164fabae7ab527b5b640f5481553d8a1a5d0ec10ff
ssdeep: 3072:O9DMjalFQEnohuWZsh4a0a6OXE5hsZbFI4ft7HoDQHDVpZAlvm:EhpJ6AE5hsZbX7HoDQHDVpZAlvm
type: ELF 32-bit LSB executable, ARM, version 1, statically linked, not stripped

Version Info:

0: [No Data]

Backdoor:Linux/Yakuza.YA!MTB also known as:

ClamAVUnix.Trojan.Gafgyt-6981154-0
FireEyeGen:Variant.Trojan.Linux.Gafgyt.5
ALYacGen:Variant.Trojan.Linux.Gafgyt.5
SangforMalware
ESET-NOD32a variant of Linux/Gafgyt.AMV
TrendMicro-HouseCallBackdoor.Linux.BASHLITE.SMJC
AvastELF:Gafgyt-EA [Trj]
CynetMalicious (score: 85)
GDataLinux.Trojan.Gafgyt.B
KasperskyHEUR:Backdoor.Linux.Gafgyt.av
BitDefenderGen:Variant.Trojan.Linux.Gafgyt.5
MicroWorld-eScanGen:Variant.Trojan.Linux.Gafgyt.5
TencentBackdoor.Linux.Gafgyt.df
Ad-AwareGen:Variant.Trojan.Linux.Gafgyt.5
SophosLinux/DDoS-BI
F-SecureMalware.LINUX/Gafgyt.opnd
DrWebLinux.BackDoor.Fgt.190
TrendMicroBackdoor.Linux.BASHLITE.SMJC
McAfee-GW-EditionLinux/Gafgyt.h
EmsisoftGen:Variant.Trojan.Linux.Gafgyt.5 (B)
IkarusTrojan.Linux.Fgt
CyrenELF/Gafgyt.C.gen!Camelot
AviraLINUX/Gafgyt.opnd
MicrosoftBackdoor:Linux/Yakuza.YA!MTB
ArcabitTrojan.Trojan.Linux.Gafgyt.5
AhnLab-V3Linux/Gafgyt.Gen25
ZoneAlarmHEUR:Backdoor.Linux.Gafgyt.av
Avast-MobileELF:Gafgyt-EA [Trj]
McAfeeLinux/Gafgyt.h
RisingBackdoor.Gafgyt!1.BB55 (CLASSIC)
MAXmalware (ai score=82)
FortinetELF/Gafgyt.WN!tr.bdr
BitDefenderThetaGen:NN.Mirai.34128
AVGELF:Gafgyt-EA [Trj]

How to remove Backdoor:Linux/Yakuza.YA!MTB?

Backdoor:Linux/Yakuza.YA!MTB 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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