Categories: Backdoor

Backdoor:Win32/Aybo.B removal instruction

The Backdoor:Win32/Aybo.B 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/Aybo.B virus can do?

  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • A process created a hidden window
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Likely virus infection of existing system binary
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
etobylovjanvare.ru
pervogoaprela.ru

How to determine Backdoor:Win32/Aybo.B?


File Info:

crc32: 2104DFACmd5: c5e77bafac556a261536c033834b1e83name: C5E77BAFAC556A261536C033834B1E83.mlwsha1: 996f36d73614156fc4298802b43cd77140f1a646sha256: 33cf59bdd6da17a738a82d12a492349b7fe4ede0a0979465bdc1b6d7a8b857b9sha512: cfd1c0387649b46110bc678fd7ed88952336d9c0b491bf93ed3d3fda77c03b4385da663877c8bc3e898a6a73a5623e04f2f59f8766f1fd3e34e12681a78f547dssdeep: 6144:jx7DbYTRT9LNw9zcGJFelnblbDPQ/EZUYvF+2cOMHAohX/tcfQ3gcPhThtvU+nC:jtYTLiZhJFelnbdv7MHQQwA5hC6symktype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Aybo.B also known as:

Bkav W32.KusitraAZ.Trojan
Elastic malicious (high confidence)
FireEye Generic.mg.c5e77bafac556a26
McAfee GenericRXGZ-RI!C5E77BAFAC55
Cylance Unsafe
VIPRE Trojan.Win32.Aybo.a (v)
AegisLab Trojan.Win32.Blocker.tpUP
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 7000000f1 )
BitDefender Gen:Heur.Mint.SP.Sneaky.1
K7GW Trojan ( 7000000f1 )
Cybereason malicious.fac556
Baidu Win32.Trojan.Delf.am
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Agent-AYHI [Trj]
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Blocker.kytl
Alibaba Ransom:Win32/Blocker.bd1b2bb9
NANO-Antivirus Trojan.Win32.Blocker.falwin
MicroWorld-eScan Gen:Heur.Mint.SP.Sneaky.1
Rising Ransom.Blocker!8.12A (CLOUD)
Ad-Aware Gen:Heur.Mint.SP.Sneaky.1
Emsisoft Gen:Heur.Mint.SP.Sneaky.1 (B)
Comodo Malware@#2gmww8flzkv7m
F-Secure Trojan.TR/Dldr.Delphi.Gen
DrWeb Trojan.PWS.Banks.652
Zillya Trojan.Blocker.Win32.39901
TrendMicro TROJ_AYBO.SM
McAfee-GW-Edition BehavesLike.Win32.Wanex.gh
Sophos Mal/Generic-S
Ikarus Worm.Win32.Delf
Avira TR/Dldr.Delphi.Gen
MAX malware (ai score=85)
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Backdoor:Win32/Aybo.B
ZoneAlarm Trojan-Ransom.Win32.Blocker.kytl
GData Gen:Heur.Mint.SP.Sneaky.1
AhnLab-V3 Malware/Win32.Generic.C2501887
VBA32 BScope.TrojanRansom.Blocker
ALYac Gen:Heur.Mint.SP.Sneaky.1
TACHYON Ransom/W32.DP-Blocker.483328
Malwarebytes Malware.AI.4232608792
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Delf.NLT
TrendMicro-HouseCall TROJ_AYBO.SM
Tencent Malware.Win32.Gencirc.10cd6c82
Yandex Trojan.GenAsa!20DBetp64dk
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_92%
Fortinet W32/Blocker.KYTL!tr
BitDefenderTheta AI:Packer.D8B349A121
AVG Win32:Agent-AYHI [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (D)
Qihoo-360 Win32/Ransom.Blocker.HwUBllYA

How to remove Backdoor:Win32/Aybo.B?

  • 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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