Categories: Malware

Doina.39582 (B) removal tips

The Doina.39582 (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 Doina.39582 (B) virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Checks for the presence of known windows from debuggers and forensic tools
  • Checks for the presence of known windows from debuggers and forensic tools
  • Attempts to identify installed analysis tools by a known file location

How to determine Doina.39582 (B)?


File Info:

name: 45CA8AD77A1874577E74.mlwpath: /opt/CAPEv2/storage/binaries/581819b77a7bcb54bb899028f24f69c1748f76e000aaaa6ddb48eda689c3cc9ecrc32: D079C0D0md5: 45ca8ad77a1874577e74b5330ce49d28sha1: dcd9b7e73f0c659b7619b2a3a8710b0789f5b92csha256: 581819b77a7bcb54bb899028f24f69c1748f76e000aaaa6ddb48eda689c3cc9esha512: e3d1bb327b07ed75651916276ac7065459dbd73341cd00eeb9d0c935fa4b33873033585a60c78119e4d85d70e1584d102a9e4a412eef93ca297ef5e2fe49430assdeep: 98304:Ndh0GdeeLVsL7wALepyPp/r/nRn85gDPWRLkcHYpTlyih23R:p0ebKZb58KDPWRYcHgNhWtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A2667D13F2C5643AC4671A7A4C3BE758983BBF212A1A8D5B27F42D8C4F35581792AF07sha3_384: c72a5ab0ef12f348f1cccf3323ded1bd4c94c6b5134e6857bcf1e01e4d7066efbbd2b6f81d9d3c1a6b456bef9e551337ep_bytes: 558bec83c4f0b884839400e83c5babfftimestamp: 2022-06-27 04:11:03

Version Info:

FileDescription: 6451057445605470455FileVersion: 55.65.2334.77ProgramID: 6451057445605470455ProductName: 6451057445605470455ProductVersion: 55.65.2334.77Translation: 0x0409 0x04e4

Doina.39582 (B) also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Doina.39582
FireEye Gen:Variant.Doina.39582
McAfee Artemis!45CA8AD77A18
VIPRE Gen:Variant.Doina.39582
K7AntiVirus Spyware ( 005931e21 )
K7GW Spyware ( 005931e21 )
Cyren W32/Banload.FS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDownloader.Delf_AGen.R
Kaspersky HEUR:Trojan-Downloader.Win32.Banload.gen
BitDefender Gen:Variant.Doina.39582
Avast Win32:DropperX-gen [Drp]
Ad-Aware Gen:Variant.Doina.39582
Emsisoft Gen:Variant.Doina.39582 (B)
McAfee-GW-Edition BehavesLike.Win32.Dropper.vh
Ikarus Trojan-Downloader.Win32.Delf
GData Gen:Variant.Doina.39582
Arcabit Trojan.Doina.D9A9E
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Dropper/Win.Generic.R501932
ALYac Gen:Variant.Doina.39582
MAX malware (ai score=86)
Malwarebytes Trojan.Downloader
Rising Trojan.Generic@AI.100 (RDML:o3s2R5MYTrz1nl1XSpvjrA)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/DelfAGen.R!tr.dldr
BitDefenderTheta Gen:NN.ZelphiF.34742.@V0@aucrlhbU
AVG Win32:DropperX-gen [Drp]
Panda Trj/GdSda.A

How to remove Doina.39582 (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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