Categories: Malware

MSIL/WebCompanion.J potentially unwanted information

The MSIL/WebCompanion.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 MSIL/WebCompanion.J potentially unwanted virus can do?

Sample contains Overlay data
Reads data out of its own binary image
CAPE extracted potentially suspicious content
Drops a binary and executes it
The binary contains an unknown PE section name indicative of packing
Authenticode signature is invalid
Anomalous binary characteristics

How to determine MSIL/WebCompanion.J potentially unwanted?


File Info:
name: 684F4E9FB73DE1FD2EE7.mlwpath: /opt/CAPEv2/storage/binaries/4a17e47ee29c10e912ea99946fba818b215d2186893145d635f5b1781c737780crc32: 24D8A93Emd5: 684f4e9fb73de1fd2ee786a0d61b68f6sha1: 1d3a0ef07d610fce41092bc6a4bac5f2ff747744sha256: 4a17e47ee29c10e912ea99946fba818b215d2186893145d635f5b1781c737780sha512: 4e0cd19444556d1d08f0bf941ef7a564100df04adcaa81783df7f77170594c388e9692d382d609475bb4cffcd07911fcba4cf171b22b4c238fe1f3adb0e945f6ssdeep: 12288:8G5knZfFKeTWvDOcTLByuIdd3kfqbRq0w4rNr0T:8G50ZfFKGiDOcZ8d1kibRqP4rNrAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10FD4D09079E8CEF2D24186F19534BFA17A5B9FA01D1380A3F33429795BF9E49C11E1A3sha3_384: d0fb271258a428d3ddda8bdaf919e1fd8fd6e330851200d672125680ba7f2735840f5aa522d1ee52a53a26cafecfe74cep_bytes: 558bec6aff68e8b9410068fc47410064timestamp: 2011-04-18 18:54:06
Version Info:
FileVersion: 9.22 betaProductVersion: 9.22 betaOriginalFilename: 7zS.sfx.exeInternalName: 7zS.sfxFileDescription: 7z Setup SFXCompanyName: Igor PavlovLegalCopyright: Copyright (c) 1999-2011 Igor PavlovProductName: 7-ZipTranslation: 0x0409 0x04b0

MSIL/WebCompanion.J potentially unwanted also known as:

Bkav	W32.AIDetectMalware
Lionic	Adware.Win32.WebCompanion.2!c
AVG	Win32:MiscX-gen [PUP]
Skyhigh	BehavesLike.Win32.Dropper.jc
McAfee	Artemis!684F4E9FB73D
Malwarebytes	PUP.Optional.BundleInstaller
Sangfor	Trojan.Win32.Webcompanion.Vyes
K7AntiVirus	Adware ( 005ad6661 )
K7GW	Adware ( 005ad6661 )
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/WebCompanion.J potentially unwanted
Avast	Win32:MiscX-gen [PUP]
Trapmine	malicious.high.ml.score
SentinelOne	Static AI – Suspicious SFX
Varist	W32/ABRisk.USYF-2114
Antiy-AVL	GrayWare/MSIL.WebCompanion
Google	Detected
Cylance	unsafe
MaxSecure	Trojan.Malware.121218.susgen
Fortinet	Adware/WebCompanion
DeepInstinct	MALICIOUS
CrowdStrike	win/grayware_confidence_90% (W)