Ransom:Win32/Avaddon!MTB removal guide

Malware Removal

The Ransom:Win32/Avaddon!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.

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What Ransom:Win32/Avaddon!MTB virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Russian
  • Creates an autorun.inf file
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Modifies boot configuration settings
  • Creates a hidden or system file
  • Clears Windows events or logs
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

Related domains:

api.myip.com
ocsp.digicert.com

How to determine Ransom:Win32/Avaddon!MTB?


File Info:

crc32: D2DB50B5
md5: a4fac8df05ee106a9f658b9bb4f90d05
name: tstjs.exe
sha1: 8d02ab35f57f4a98679935c7fd6d20e5ceef585a
sha256: 7b4a13c022f0948f0a7ace0c2ea8b85af4f596338af14c3a1be2e63f55cbb335
sha512: c3d2c2f33637fed7b410ef15dce824ba21103fa970163a10759b1089e4814c0d22e7e22f5954ff7d08dd087ead822f7c8783a47ce1bd01d244728b3fb61f5bf7
ssdeep: 24576:gyDIINvTyuGvi+fkjfdWf2gTnxKHOV1AZuLbbbbpcA:gyDIMyuGvi+fkzdy1KHy1YqbbbbpcA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: taskhost.exe
FileVersion: 10.0.17763.831 (WinBuild.160101.0800)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 10.0.17763.831
FileDescription: Host Process for Windows Tasks
OriginalFilename: taskhost.exe
Translation: 0x0409 0x04b0

Ransom:Win32/Avaddon!MTB also known as:

BkavW32.AIDetectVM.malware1
MicroWorld-eScanGen:Variant.Razy.697743
FireEyeGeneric.mg.a4fac8df05ee106a
ALYacTrojan.Ransom.Avaddon
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 005690961 )
BitDefenderGen:Variant.Razy.697743
K7GWTrojan ( 005690961 )
TrendMicroRansom.Win32.AVADDON.SMYJAF-A
BitDefenderThetaGen:NN.ZexaF.34132.fv0@aiZZ6Foc
F-ProtW32/Filecoder.AE.gen!Eldorado
ESET-NOD32a variant of Win32/Filecoder.Avaddon.A
TrendMicro-HouseCallRansom.Win32.AVADDON.SMYJAF-A
AvastWin32:Malware-gen
GDataGen:Variant.Razy.697743
KasperskyHEUR:Trojan.Win32.Generic
APEXMalicious
TencentWin32.Trojan.Raas.Auto
SophosTroj/Ransom-GAO
F-SecureTrojan.TR/AD.AvaddonRansom.ttggu
EmsisoftGen:Variant.Razy.697743 (B)
IkarusTrojan-Ransom.Avaddon
CyrenW32/Trojan.RWLF-9153
JiangminTrojan.Generic.fsaky
WebrootW32.Malware.Gen
AviraTR/AD.AvaddonRansom.ttggu
eGambitUnsafe.AI_Score_98%
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.Ymacco
MicrosoftRansom:Win32/Avaddon!MTB
ArcabitTrojan.Razy.DAA58F
AhnLab-V3Malware/Win32.RL_Generic.R341088
ZoneAlarmHEUR:Trojan.Win32.Generic
CynetMalicious (score: 85)
McAfeeArtemis!A4FAC8DF05EE
VBA32Trojan.Ymacco
MalwarebytesRansom.Avaddon
RisingRansom.Avaddon!1.C7A8 (CLOUD)
FortinetW32/Filecoder.C314!tr.ransom
Ad-AwareGen:Variant.Razy.697743
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Generic/HEUR/QVM10.2.723A.Malware.Gen

How to remove Ransom:Win32/Avaddon!MTB?

Ransom:Win32/Avaddon!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.

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