Categories: Malware

Troj/Blind-A removal guide

The Troj/Blind-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 Troj/Blind-A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Dynamic (imported) function loading detected
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Enumerates running processes
  • Manipulates data from or to the Recycle Bin
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Attempts to delete or modify volume shadow copies
  • Writes a potential ransom message to disk
  • Modifies boot configuration settings
  • Exhibits possible ransomware file modification behavior
  • Likely virus infection of existing system binary
  • Creates a known Estemani ransomware decryption instruction / key file.
  • Uses suspicious command line tools or Windows utilities

How to determine Troj/Blind-A?


File Info:

name: CF210898BDFD3CC88171.mlwpath: /opt/CAPEv2/storage/binaries/4ef1d3ae0c97521e4249fcd7950c10c2e0cd22b031edf567e91476343f67ff54crc32: AFD0CD42md5: cf210898bdfd3cc88171a4650c753725sha1: 8442cf03bc61b4489519dc67aa3ff1bcc5d7e7bfsha256: 4ef1d3ae0c97521e4249fcd7950c10c2e0cd22b031edf567e91476343f67ff54sha512: 6d9b9d5c83b77471deeab5242fd143cf005f64f75b2aa7feed61d1b22d70d85ce18931deb15db7bdf3458c45baed7dd7f96a163b45004bf831759bd2b155971bssdeep: 12288:eP5k4IOwA7+OeO+OeNhBBhhBBcvRe3525djsUTpStRuiJMWte5uAnIsyRdstwVAw:0k4IOwAvReM55sdxzteBRgFAQhIrGdN/type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12FE48E22BA93E0B2C5BA11B10D2CF70D63BFB85549759B7F77E80B1D1FB01809A196D2sha3_384: b3bbe884678d3588bf639f186c826ba34f947cb3574f684496bf6a7647818c31ce98358e7a66c5e3799a4e4967d66765ep_bytes: e890e50000e97ffeffff558bec83ec20timestamp: 2017-11-26 22:29:54

Version Info:

0: [No Data]

Troj/Blind-A also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
FireEye Generic.mg.cf210898bdfd3cc8
McAfee Artemis!CF210898BDFD
Cybereason malicious.8bdfd3
BitDefenderTheta Gen:NN.ZexaF.34182.PuW@aKTzA0li
Cyren W32/Trojan.HVUY-3084
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.NNZ
BitDefender Gen:Heur.Ransom.REntS.Gen.1
Ad-Aware Gen:Heur.Ransom.REntS.Gen.1
Sophos Troj/Blind-A
McAfee-GW-Edition BehavesLike.Win32.Multiplug.jh
SentinelOne Static AI – Suspicious PE
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
Jiangmin Trojan.Gen.ou
MaxSecure Trojan.Malware.300983.susgen
Avira ADWARE/Amonetize.Gen7
Microsoft Trojan:Script/Phonzy.C!ml
GData Gen:Heur.Ransom.REntS.Gen.1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Gen
ALYac Gen:Heur.Ransom.REntS.Gen.1
APEX Malicious
Rising Malware.Heuristic!ET#90% (RDMK:cmRtazrAa6T8XGQCoueWZhOEYgxO)
Yandex Trojan.GenAsa!g08EJTuTBrQ
MAX malware (ai score=80)
eGambit Unsafe.AI_Score_99%
Fortinet W32/Filecoder.NNZ!tr
Panda Trj/GdSda.A

How to remove Troj/Blind-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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