Categories: Malware

What is “Win32/MailRu.J potentially unwanted”?

The Win32/MailRu.J potentially unwanted 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 Win32/MailRu.J potentially unwanted virus can do?

SetUnhandledExceptionFilter detected (possible anti-debug)
Dynamic (imported) function loading detected
Presents an Authenticode digital signature
Possible date expiration check, exits too soon after checking local time
At least one IP Address, Domain, or File Name was found in a crypto call
Reads data out of its own binary image
Unconventionial language used in binary resources: Russian
Anomalous binary characteristics

How to determine Win32/MailRu.J potentially unwanted?


File Info:
name: 2D6DA09D3D64EA6F4C6F.mlwpath: /opt/CAPEv2/storage/binaries/c9aee9fac9a5e4d0c4c185e3d7b2ae205d4d74583642e17b6fdb6cfc5db960edcrc32: 31E53266md5: 2d6da09d3d64ea6f4c6f761c9fbc6e2csha1: 2168937ede3cb4a10fd4ec18f0aff08a82f9cfbfsha256: c9aee9fac9a5e4d0c4c185e3d7b2ae205d4d74583642e17b6fdb6cfc5db960edsha512: 9fff0d79a3ca383240d572ae1017bc57035c123b370ab7597c83074930ecc170499bd7c7c6c4f43fbc7b9e71bd5b5fcceba439cec06507459745892a04a78478ssdeep: 3072:sLp+mpINRBwCUDfeh+DAxxWQuWkhQOuvg:s9LpivMzehw5Grvtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A2E38C1237D0C071F5B6023259B49B61593EFD724BB489DBB398471E19B07C0AB3ABA3sha3_384: ef2463729a8fcdd9a807bca728c6b182673d5304f99867529c7b8b5572410d227451f505fc7773f7da03101cb1110399ep_bytes: e8bc5a0000e97ffeffffcccccc8b4c24timestamp: 2016-07-07 12:30:08
Version Info:
CompanyName: Mail.RuFileDescription: Mail.Ru LauncherFileVersion: 3.6.0.6InternalName: launcherLegalCopyright: Copyright 2015OriginalFilename: launcher.exeProductName: Mail.Ru LauncherProductVersion: 3.6.0.6Comments: Translation: 0x0409 0x04b0

Win32/MailRu.J potentially unwanted also known as:

Lionic	Riskware.Win32.MailRu.1!c
MicroWorld-eScan	Gen:Variant.Application.Agent.6
FireEye	Generic.mg.2d6da09d3d64ea6f
McAfee	GenericRXNI-OL!2D6DA09D3D64
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Unwanted-Program ( 00587ee01 )
K7GW	Unwanted-Program ( 00587ee01 )
Cybereason	malicious.d3d64e
Cyren	W32/S-e83a6442!Eldorado
Symantec	Trojan.Gen.2
ESET-NOD32	Win32/MailRu.J potentially unwanted
Kaspersky	not-a-virus:UDS:AdWare.Win32.Machaer
BitDefender	Gen:Variant.Application.Agent.6
NANO-Antivirus	Trojan.Win32.MailRu.enfiqs
SUPERAntiSpyware	PUP.MailRU/Variant
Avast	Win32:PUP-gen [PUP]
Ad-Aware	Gen:Variant.Application.Agent.6
Emsisoft	Application.AdMail (A)
Comodo	Application.Win32.MailRu.BS@6ku3o6
DrWeb	Trojan.Zadved.649
TrendMicro	TROJ_GEN.R002C0PL621
McAfee-GW-Edition	BehavesLike.Win32.Downloader.ch
Sophos	Mail.ru Downloader (PUA)
Ikarus	PUA.MailRu
GData	Gen:Variant.Application.Agent.6
Jiangmin	Trojan.Reflo.a
MAX	malware (ai score=72)
Arcabit	Trojan.Application.Agent.6
Microsoft	Program:Win32/Uwamson.A!ml
Cynet	Malicious (score: 100)
AhnLab-V3	PUP/Win.MailRu.X2108
VBA32	Adware.StartPage
ALYac	Gen:Variant.Application.Agent.6
Malwarebytes	Malware.AI.2458846082
TrendMicro-HouseCall	TROJ_GEN.R002C0PL621
Rising	PUF.MailRu!1.A9B5 (CLASSIC)
SentinelOne	Static AI – Malicious PE
Fortinet	W32/MailRu.M!tr
AVG	Win32:PUP-gen [PUP]
CrowdStrike	win/malicious_confidence_100% (D)