Categories: Malware

About “Doina.846 (B)” infection

The Doina.846 (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.846 (B) virus can do?

  • Creates RWX memory
  • Detected script timer window indicative of sleep style evasion
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • A scripting utility was executed
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Doina.846 (B)?


File Info:

crc32: 76C53F9Fmd5: bf3e780342c4976cb1413a102a6285dcname: BF3E780342C4976CB1413A102A6285DC.mlwsha1: 9b3725dbba09c997618f9e10e5bc1a1c9428327dsha256: d1c1f5e559533f731190629264a1cf1639d3907c14256bd900e5015e70c9475bsha512: 6e473801e67f179468c029528c0b6ee3f86c72f746eb9074fc1063a5861d8a0ffd7b4bfc25509b0b7f0e75007dd07dd3ebd4e8d02394ec0c4c03acd5615f63d3ssdeep: 24576:7up8fAJzP+6jFeHr5pLgw0fe2528CuLKB1qpdCQtehpLzv9Yxr/+LTtxqg5:7C/jgFhgFfe78CgKBoihpnF8CX5type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

LegalCopyright: FileVersion: 7.0.0.0FileDescription: fortniteTranslation: 0x0409 0x0000

Doina.846 (B) also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Doina.846
FireEye Generic.mg.bf3e780342c4976c
CAT-QuickHeal Trojan.CoinminerFC.S17875518
McAfee Artemis!BF3E780342C4
Cylance Unsafe
AegisLab Riskware.Win32.BitCoinMiner.1!c
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Gen:Variant.Doina.846
K7GW Trojan ( 0051ed981 )
K7AntiVirus Trojan ( 0051ed981 )
Cyren W32/Coinminer.BEJZ-1169
Symantec Trojan.Dropper
APEX Malicious
Avast Win32:Miner-DM [Trj]
Kaspersky not-a-virus:RiskTool.Win32.BitCoinMiner.odaj
Alibaba Trojan:Win32/CoinMiner.ali1002002
NANO-Antivirus Trojan.Win32.BitCoinMiner.imuniu
Rising Trojan.CoinMiner!8.30A (CLOUD)
Ad-Aware Gen:Variant.Doina.846
Emsisoft Gen:Variant.Doina.846 (B)
F-Secure Trojan.TR/ATRAPS.Gen
DrWeb Trojan.MulDrop15.62138
TrendMicro TROJ_GEN.R002C0CBQ21
McAfee-GW-Edition BehavesLike.Win32.Dropper.tc
Sophos Mal/Generic-R
Ikarus Trojan.MSIL.CoinMiner
Avira TR/ATRAPS.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan/MSIL.CoinMiner
Microsoft Trojan:MSIL/CoinMiner.S!bit
Arcabit Trojan.Doina.846
ZoneAlarm HEUR:Trojan-Downloader.Win32.Agent.gen
GData Gen:Variant.Doina.846
Cynet Malicious (score: 100)
BitDefenderTheta Gen:NN.ZemsilF.34590.9p0@aaIccsi
ALYac Gen:Variant.Doina.846
Malwarebytes Trojan.Crypt.Generic
ESET-NOD32 multiple detections
TrendMicro-HouseCall TROJ_GEN.R002C0CBQ21
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Agent.CQ!tr
AVG Win32:Miner-DM [Trj]
Cybereason malicious.342c49
Qihoo-360 Win32/Miner.BitCoinMiner.HoMASPwA

How to remove Doina.846 (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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