Categories: Ransom

Ransom:Win32/Avaddon.C!MTB (file analysis)

The Ransom:Win32/Avaddon.C!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.C!MTB virus can do?

  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • 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
  • Creates an autorun.inf file
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • 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
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Clears Windows events or logs
  • Creates a copy of itself
  • Attempts to disable UAC
  • Attempts to create or modify system certificates
  • Attempts to modify UAC prompt behavior
  • Uses suspicious command line tools or Windows utilities

Related domains:

ocsp.digicert.com
www.msftconnecttest.com
api.myip.com

How to determine Ransom:Win32/Avaddon.C!MTB?


File Info:

crc32: A77EAA1Cmd5: afa2ca05aa45ae99871932dcf92c892cname: installer.exesha1: ddd96541107aa0460369734fa69b6197e6a4495csha256: e5c6dfcac71a62e8d1897a692db95cc55b4c9b1a41b64f07f6da6b0ea54b110dsha512: 50a8ca877f06c51b21d8ec624eb98a39081f175fedcf1559f1ac46966fc554c856d31753b38f99bf3ac99193938825bd4abd6433cefa2c43126770c57c38e646ssdeep: 24576:z5B+81VQDvP8SMsvVVhCDiLWJMy4zkxF8HrP4S+RbbbbpcO9:/H1VG8SMsvVVhOKy4zMFxSSbbbbpctype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: taskhost.exeFileVersion: 10.0.17763.831 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 10.0.17763.831FileDescription: Host Process for Windows TasksOriginalFilename: taskhost.exeTranslation: 0x0409 0x04b0

Ransom:Win32/Avaddon.C!MTB also known as:

Bkav W32.AIDetectVM.malware1
MicroWorld-eScan Gen:Variant.Ransom.LockerGoga.11
FireEye Generic.mg.afa2ca05aa45ae99
McAfee Artemis!AFA2CA05AA45
ALYac Gen:Variant.Ransom.LockerGoga.11
Cylance Unsafe
Sangfor Malware
BitDefender Gen:Variant.Ransom.LockerGoga.11
Cybereason malicious.5aa45a
TrendMicro Ransom.Win32.AVADDON.SMYJAF-A
BitDefenderTheta Gen:NN.ZexaF.34136.gv0@aGutAEii
Cyren W32/Filecoder.AE.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Avaddon.A
TrendMicro-HouseCall Ransom.Win32.AVADDON.SMYJAF-A
Avast Win32:RansomX-gen [Ransom]
GData Gen:Variant.Ransom.LockerGoga.11
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/Avaddon.9156ddb1
AegisLab Trojan.Win32.Generic.4!c
Tencent Win32.Trojan.Filecoder.Lqyk
Sophos Mal/Generic-S
Emsisoft Gen:Variant.Ransom.LockerGoga.11 (B)
APEX Malicious
F-Prot W32/Filecoder.AE.gen!Eldorado
Jiangmin Trojan.Rack.gn
eGambit Unsafe.AI_Score_99%
MAX malware (ai score=87)
Arcabit Trojan.Ransom.LockerGoga.11
AhnLab-V3 Malware/Win32.RL_Generic.R341088
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Ransom:Win32/Avaddon.C!MTB
Ad-Aware Gen:Variant.Ransom.LockerGoga.11
Panda Trj/GdSda.A
Rising Ransom.Avaddon!1.C7A8 (CLOUD)
Ikarus Trojan-Ransom.Avaddon
Fortinet W32/Filecoder.C314!tr.ransom
AVG Win32:RansomX-gen [Ransom]
CrowdStrike win/malicious_confidence_60% (W)

How to remove Ransom:Win32/Avaddon.C!MTB?

  • 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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