PUP.Optional.DiskSpeedUp removal

The PUP.Optional.DiskSpeedUp 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.

What PUP.Optional.DiskSpeedUp virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• At least one process apparently crashed during execution
• Attempts to connect to a dead IP:Port (1 unique times)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Anomalous file deletion behavior detected (10+)
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• A named pipe was used for inter-process communication
• Starts servers listening on 127.0.0.1:0
• Enumerates running processes
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (inter-process)
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Created a process from a suspicious location
• A possible heap spray exploit has been detected
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Attempts to modify proxy settings
• Harvests cookies for information gathering
• Created a service that was not started
• Uses suspicious command line tools or Windows utilities

How to determine PUP.Optional.DiskSpeedUp?

File Info:
name: 1BE87579961B0F17D41E.mlwpath: /opt/CAPEv2/storage/binaries/21e8871a74370d38839fba88541b23893bd6c92dd4618592547c4219863a7c5ecrc32: 74C2C2F2md5: 1be87579961b0f17d41e702a083f85fdsha1: f75206591117ba2e087d9690725abc4d726553a1sha256: 21e8871a74370d38839fba88541b23893bd6c92dd4618592547c4219863a7c5esha512: e6705cfa8cb11194ef0170c947aad1774bd5f28dd0310ed0a5e32f3865a67dbdc7879721ac4ed147f4e4f07ae95b36c9ee3eb8554f75c7dcf4fa11e5fc1ac8abssdeep: 98304:SrTbseX0KgzDmG7FoMDC8nDF2Pigo/z7UCov8U/yInylIufvhEkOMgweoGcgiEGy:ibqK6KGRbDCmJRzXovj6IncIut1eooiKtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19F461261BE8424FEF82A217A853684551C92AC7DD9E2501E3E7DF21E0DB7F43143BE1Asha3_384: 031699112252aad0cc22d139dfa0f0f23af1225a337baca55a87f35b9f142df77a1a852cf5b0cd12bfdd5d6e6000999aep_bytes: 558bec83c4a453565733c08945c48945timestamp: 2016-04-06 14:39:04
Version Info:
Comments: This installation was built with Inno Setup.CompanyName: Copyright © 1999 - 2021 Systweak Software, All rights rese  FileDescription: Disk Speedup                                                FileVersion: 3.4.1.18124         LegalCopyright: Copyright © 1999 - 2021 Systweak Software, All rights reserved.                                     ProductName: Disk Speedup                                                ProductVersion: 3.4.1.18124                                       Translation: 0x0000 0x04b0

PUP.Optional.DiskSpeedUp also known as:

How to remove PUP.Optional.DiskSpeedUp?

• 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.