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.mlw
path: /opt/CAPEv2/storage/binaries/4a17e47ee29c10e912ea99946fba818b215d2186893145d635f5b1781c737780
crc32: 24D8A93E
md5: 684f4e9fb73de1fd2ee786a0d61b68f6
sha1: 1d3a0ef07d610fce41092bc6a4bac5f2ff747744
sha256: 4a17e47ee29c10e912ea99946fba818b215d2186893145d635f5b1781c737780
sha512: 4e0cd19444556d1d08f0bf941ef7a564100df04adcaa81783df7f77170594c388e9692d382d609475bb4cffcd07911fcba4cf171b22b4c238fe1f3adb0e945f6
ssdeep: 12288:8G5knZfFKeTWvDOcTLByuIdd3kfqbRq0w4rNr0T:8G50ZfFKGiDOcZ8d1kibRqP4rNrA
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10FD4D09079E8CEF2D24186F19534BFA17A5B9FA01D1380A3F33429795BF9E49C11E1A3
sha3_384: d0fb271258a428d3ddda8bdaf919e1fd8fd6e330851200d672125680ba7f2735840f5aa522d1ee52a53a26cafecfe74c
ep_bytes: 558bec6aff68e8b9410068fc47410064
timestamp: 2011-04-18 18:54:06

Version Info:
FileVersion: 9.22 beta
ProductVersion: 9.22 beta
OriginalFilename: 7zS.sfx.exe
InternalName: 7zS.sfx
FileDescription: 7z Setup SFX
CompanyName: Igor Pavlov
LegalCopyright: Copyright (c) 1999-2011 Igor Pavlov
ProductName: 7-Zip
Translation: 0x0409 0x04b0

MSIL/WebCompanion.J potentially unwanted also known as:

How to remove MSIL/WebCompanion.J potentially unwanted?

• 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.