PUP.Optional.BundleInstaller removal guide

The PUP.Optional.BundleInstaller 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 PUP.Optional.BundleInstaller virus can do?

• Executable code extraction
• Attempts to connect to a dead IP:Port (2 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• A process attempted to delay the analysis task.
• At least one IP Address, Domain, or File Name was found in a crypto call
• Reads data out of its own binary image
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• Uses Windows utilities for basic functionality
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Exhibits possible ransomware file modification behavior
• Collects information about installed applications
• Attempts to identify installed AV products by registry key
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Attempts to create or modify system certificates
• Collects information to fingerprint the system

Related domains:

How to determine PUP.Optional.BundleInstaller?

File Info:
crc32: FD31547C
md5: 8d1d79de069dcaa921a9287bfac72925
name: bittorrent.exe
sha1: 87dfba2070e6b971393f2add45499e0ca9b998c6
sha256: 2318d04134e8306cc3017750543722c62d53b8c481bc8e1012eee71d10900cc2
sha512: a0204fee4c6d689db7f4349ef25fbea4daa296ad680f91c21ef39f70869499ce4f3963f3de0666afb342709b84cd15ce4211b5ec2f2ddec6b8b05fefd2218720
ssdeep: 98304:4G5QgGk7Ky/5khxBFekRfWAv7VOTIZpdugZqr0FCjsD/E18W5BUJ/CJob5:4G5X7Ky/wDUmUTIXEgEIMsOjUheob5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa92019 BitTorrent, Inc. All Rights Reserved.
InternalName: BitTorrent.exe
FileVersion: 7.10.5.45416
CompanyName: BitTorrent Inc.
ProductName: BitTorrent
ProductVersion: 7.10.5.45416
FileDescription: BitTorrent
OriginalFilename: BitTorrent.exe
Translation: 0x0409 0x04b0

PUP.Optional.BundleInstaller also known as:

How to remove PUP.Optional.BundleInstaller?

• 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.