Categories: Malware

Downloader.251 (B) removal

The Downloader.251 (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 Downloader.251 (B) virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Executed a process and injected code into it, probably while unpacking
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Downloader.251 (B)?


File Info:

crc32: 0ED9683Bmd5: fd196ef7b4ca23b3a2210143498f1eaaname: FD196EF7B4CA23B3A2210143498F1EAA.mlwsha1: f43388e7b4dbbc4093b4cd2d6a0a75a1c7c22a4asha256: 48f5aa1b2a18d79c9ca93e5ef661d9e477f32be02c518cec8a8e6fe71e861202sha512: a6ccbcbd24171dd68e483161608b045329e1cfbcc5f9d99ee9e82891a1d970cf08af686347d03817ff9079405f818a98859dc7ed5ea4d1840e2a0668d2f05b5fssdeep: 1536:LGlZNRR+GZLtnoWGJcJJleqt1+Wgx3lFnHmleHSWgLAyXnnLm+AnqB:egGZxnoWTTYBB1hHgN1AnqBtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: MilkoInternalName: ZepaFileVersion: 1, 3, 1, 9CompanyName: FirerPrivateBuild: PapakLegalTrademarks: BapizComments: TabakProductName: SelemSpecialBuild: RileProductVersion: 1, 8, 2, 6FileDescription: ZamazOriginalFilename: DabarisTranslation: 0x0409 0x04b0

Downloader.251 (B) also known as:

Bkav W32.FamVT.VebzenMV.Trojan
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Downloader.251
FireEye Generic.mg.fd196ef7b4ca23b3
CAT-QuickHeal Worm.Gamarue.A5
ALYac Gen:Variant.Downloader.251
Cylance Unsafe
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Gen:Variant.Downloader.251
TrendMicro WORM_GAMARUE.SMV
Baidu Win32.Trojan-Downloader.Wauchos.a
Cyren W32/Gamarue.E.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Trojan.Agent-1372278
Kaspersky Worm.Win32.Agent.bwa
Tencent Malware.Win32.Gencirc.10b9de43
Ad-Aware Gen:Variant.Downloader.251
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Injector.AKUJ@511j6o
F-Secure Trojan-Downloader:W32/Wauchos.F
DrWeb BackDoor.Andromeda.178
VIPRE Trojan-Downloader.Win32.Wauchos.la (v)
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.ct
Emsisoft Gen:Variant.Downloader.251 (B)
Ikarus Trojan.Win32.Injector
Jiangmin Worm.Agent.adm
Webroot Trojan.Dropper.Gen
Avira TR/Graftor.rqwouean
eGambit Unsafe.AI_Score_98%
MAX malware (ai score=86)
Microsoft Trojan:Win32/Wacatac.C!ml
Gridinsoft Trojan.Win32.Gen.vl!n
Arcabit Trojan.Downloader.251
ZoneAlarm Worm.Win32.Agent.bwa
GData Gen:Variant.Downloader.251
Cynet Malicious (score: 100)
AhnLab-V3 Downloader/Win32.Andromeda.R78963
McAfee W32/Worm-FQF!Gamarue
VBA32 SScope.Malware-Cryptor.Wauchos.2183
Malwarebytes Backdoor.Bot
Panda Generic Suspicious
ESET-NOD32 a variant of Win32/Injector.ANNM
TrendMicro-HouseCall WORM_GAMARUE.SMV
Rising Worm.Gamarue!1.A224 (TFE:5:kdohUn0KP9L)
Yandex Trojan.GenAsa!7RuOq7a7c8c
SentinelOne Static AI – Malicious PE
BitDefenderTheta Gen:NN.ZexaF.34634.lq3@aixg64mO
AVG Win32:Trojan-gen

How to remove Downloader.251 (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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