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.

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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.mlw
path: /opt/CAPEv2/storage/binaries/21e8871a74370d38839fba88541b23893bd6c92dd4618592547c4219863a7c5e
crc32: 74C2C2F2
md5: 1be87579961b0f17d41e702a083f85fd
sha1: f75206591117ba2e087d9690725abc4d726553a1
sha256: 21e8871a74370d38839fba88541b23893bd6c92dd4618592547c4219863a7c5e
sha512: e6705cfa8cb11194ef0170c947aad1774bd5f28dd0310ed0a5e32f3865a67dbdc7879721ac4ed147f4e4f07ae95b36c9ee3eb8554f75c7dcf4fa11e5fc1ac8ab
ssdeep: 98304:SrTbseX0KgzDmG7FoMDC8nDF2Pigo/z7UCov8U/yInylIufvhEkOMgweoGcgiEGy:ibqK6KGRbDCmJRzXovj6IncIut1eooiK
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19F461261BE8424FEF82A217A853684551C92AC7DD9E2501E3E7DF21E0DB7F43143BE1A
sha3_384: 031699112252aad0cc22d139dfa0f0f23af1225a337baca55a87f35b9f142df77a1a852cf5b0cd12bfdd5d6e6000999a
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 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.