How to remove “Downloader.Win32.WebCompanion.ebk”?

The Downloader.Win32.WebCompanion.ebk 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.Win32.WebCompanion.ebk virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Presents an Authenticode digital signature
• Creates RWX memory
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• At least one IP Address, Domain, or File Name was found in a crypto call
• Performs HTTP requests potentially not found in PCAP.
• 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
• Created a process from a suspicious location
• Collects and encrypts information about the computer likely to send to C2 server
• Collects information about installed applications
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Accessed credential storage registry keys
• Collects information to fingerprint the system

How to determine Downloader.Win32.WebCompanion.ebk?

File Info:
name: B078396B61B5A5B3DA95.mlw
path: /opt/CAPEv2/storage/binaries/f7728fd8b3b92502312e1ab69f48a8d4586ebbf4cbc7e4021e1643246a0b5033
crc32: 3B5E286F
md5: b078396b61b5a5b3da95bfd299e35c2f
sha1: 7f92fd5d84a139998c99fdf4cc5c1a2709b56105
sha256: f7728fd8b3b92502312e1ab69f48a8d4586ebbf4cbc7e4021e1643246a0b5033
sha512: 2c1a4c6d557fe8da8ad4b2e2a7bd6b51de90a2c6b71a5597926f5833197661572a3793bfcda2871994b91e3fdfe59d0f0abd153f8f6b72d93dd54b2a951dd532
ssdeep: 49152:1G5UfgIVpkO1U7QsCuCYL0ZcXXrJQ/4a4DlWfcb1ee/27z1qJ+xZTXSfjv0DhMEE:1G5Qg3kd6Xa/4aKv1ee/sz1qJiTXw0D2
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T164D5338034F58CB5D6532430C0786FD6E6F5EA550B346AA373B85F1CBFB6883E22561A
sha3_384: cde5dffce9a718a20c9ca6ebf255fd508c9f8d617ca21c84d06760587bdbeff8afdf6c1d364bf805988ade0cc5af6526
ep_bytes: 558bec6aff68e8b9410068fc47410064
timestamp: 2011-04-18 18:54:06

Version Info:
FileVersion: 7.10.0.44091
ProductVersion: 7.10.0.44091
CompanyName: BitTorrent Inc.
FileDescription: BitTorrent
InternalName: BitTorrent.exe
LegalCopyright: ©2016 BitTorrent, Inc. All Rights Reserved.
OriginalFilename: BitTorrent.exe
ProductName: BitTorrent
Translation: 0x0409 0x04b0

Downloader.Win32.WebCompanion.ebk also known as:

How to remove Downloader.Win32.WebCompanion.ebk?

• 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.