Categories: Backdoor

How to remove “Backdoor:Win32/Konus.A”?

The Backdoor:Win32/Konus.A 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/Konus.A virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Starts servers listening on 127.0.0.1:32767, 127.0.0.1:32768
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Looks up the external IP address
  • Queries information on disks, possibly for anti-virtualization
  • Sniffs keystrokes
  • Steals private information from local Internet browsers
  • Creates a hidden or system file
  • Harvests information related to installed mail clients

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.ipify.org
time-a.nist.gov

How to determine Backdoor:Win32/Konus.A?


File Info:

crc32: 3F061E47md5: 64876d5de7061e925e29f6a0c87cea9bname: 64876D5DE7061E925E29F6A0C87CEA9B.mlwsha1: 51d6ed277b85b07974d450a9b3441c780467613fsha256: 01d5f1b32235b5d5ba5970d56639d82aa3d83b57ec08c79b3580fd0c88ef1c29sha512: 2dfe245cd058d10ac35c441238c52dcb08db8c565786d5824baf9cbd2846f2a4803709d4e9850add7f4c8e6ea5f37c23c66423820a9d6af2b7da8ddf74b6cb1bssdeep: 12288:rXPcLcbGfVylwG/ZDCK/ScBXo8TsyMkKMY8m7WOK9SATTsx/SA/WegYfdNbrqnu:rXh6XcBXo8TsL8Y8m/ATTySA/DrfdNbtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Konus.A also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Mint.Zard.25
FireEye Generic.mg.64876d5de7061e92
McAfee Artemis!64876D5DE706
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Heur.Mint.Zard.25
Cybereason malicious.de7061
BitDefenderTheta AI:Packer.10C3B9AA1E
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Spy.Kronosbot.A
APEX Malicious
Kaspersky UDS:DangerousObject.Multi.Generic
Ad-Aware Gen:Heur.Mint.Zard.25
Emsisoft Gen:Heur.Mint.Zard.25 (B)
F-Secure Heuristic.HEUR/AGEN.1116604
DrWeb DLOADER.Trojan
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Sophos ML/PE-A + Troj/Konus-A
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Avira HEUR/AGEN.1116604
MAX malware (ai score=80)
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Backdoor:Win32/Konus.A
Arcabit Trojan.Mint.Zard.25
AhnLab-V3 Trojan/Win32.RL_Banker.R277924
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Gen:Heur.Mint.Zard.25
Cynet Malicious (score: 100)
Acronis suspicious
VBA32 TScope.Malware-Cryptor.SB
ALYac Gen:Heur.Mint.Zard.25
Malwarebytes MachineLearning/Anomalous.95%
Rising Malware.Heuristic!ET#80% (RDMK:cmRtazq6g3XCmBjo1aBOHFt/ERZA)
Ikarus Trojan.Win32.Agent
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 HEUR/QVM20.1.3677.Malware.Gen

How to remove Backdoor:Win32/Konus.A?

  • 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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