Categories: Malware

Doina.21562 removal instruction

The Doina.21562 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Doina.21562 virus can do?

  • Creates RWX memory
  • Starts servers listening on 0.0.0.0:28647
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Rhaeto (Romance)
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Installs itself for autorun at Windows startup
  • Detects the presence of Wine emulator via registry key
  • Creates a copy of itself

Related domains:

update.dna.bittorrent.com
router.utorrent.com

How to determine Doina.21562?


File Info:

crc32: 6E2E0928md5: 30278ccaa0ba9b080d2477c2a72ad375name: 30278CCAA0BA9B080D2477C2A72AD375.mlwsha1: abfd8583b1987c9e5c77b948d964b4a19635af74sha256: 098972515fe0bfed218efb5d0ffffd25314494886744b8808b947dd57e97854bsha512: 06d8feadd83375298fe13713d91f7e4fd1a7d42633ab2fc000375423557cbd24b42051a6f75f0089942622a627622d781f3f16238c98468dd617966403dac31assdeep: 6144:l5Mc6JQ7W762Q9IPbl+HlK5CImnZ3phhWqmMmmmHdSF:PMc6JKO6zIPbMM51mZ83H8type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: xa92008 BitTorrent, Inc. All Rights Reserved.InternalName: btdna.exeFileVersion: 2.0.1.9795CompanyName: BitTorrent, Inc.ProductName: DNAProductVersion: 2.0.1.9795FileDescription: DNAOriginalFilename: btdna.exeTranslation: 0x0409 0x04e4

Doina.21562 also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Scar.4!c
DrWeb Trojan.DownLoader4.55929
Cynet Malicious (score: 99)
ALYac Gen:Variant.Doina.21562
Cylance Unsafe
Sangfor Trojan.Win32.KUKU.kj
Alibaba Trojan:Win32/Sality.9d21d77c
Cybereason malicious.3b1987
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast FileRepMetagen [Malware]
ClamAV Win.Virus.Sality-6795832-0
Kaspersky Trojan.Win32.Scar.mnci
BitDefender Gen:Variant.Doina.21562
NANO-Antivirus Trojan.Win32.Scar.elqjrd
MicroWorld-eScan Gen:Variant.Doina.21562
Tencent Win32.Trojan.Scar.Lfpv
Ad-Aware Gen:Variant.Doina.21562
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Virus
FireEye Generic.mg.30278ccaa0ba9b08
Emsisoft Gen:Variant.Doina.21562 (B)
Avira TR/Scar.gcxhh
eGambit Generic.Trojan
Kingsoft Win32.Troj.Scar.mn.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan.Win32.Scar.mnci
GData Gen:Variant.Doina.21562
McAfee Artemis!30278CCAA0BA
MAX malware (ai score=100)
Rising Win32.KUKU.kj (CLASSIC)
Yandex Trojan.Scar!Ov4UZKP1yn8
Ikarus Virus.Win32.Sality
Fortinet W32/Scar.MNCI!tr
AVG FileRepMetagen [Malware]
Paloalto generic.ml

How to remove Doina.21562?

  • 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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