PUABundler:Win32/PiriformBundler removal instruction

The PUABundler:Win32/PiriformBundler 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 PUABundler:Win32/PiriformBundler virus can do?

• Behavioural detection: Executable code extraction – unpacking
• A file was accessed within the Public folder.
• Sample contains Overlay data
• 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
• Unconventionial language used in binary resources: Russian
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• Checks for the presence of known windows from debuggers and forensic tools
• Attempts to modify proxy settings
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine PUABundler:Win32/PiriformBundler?

File Info:
name: AE5694F01D51499C7C17.mlw
path: /opt/CAPEv2/storage/binaries/2d8b0e9df9d22cd4217dfebef53637645260b52824e5b4c644e3c6fbd18696de
crc32: 9F5A079F
md5: ae5694f01d51499c7c1791cbcb640b29
sha1: ec3f47f3b07dd9973bb90e4ae066ae30c241933b
sha256: 2d8b0e9df9d22cd4217dfebef53637645260b52824e5b4c644e3c6fbd18696de
sha512: 6ff6958e77284095f0549439285847091a9917c798f1e4854ab615ade2a55e2d7de00e4a9ce91a8786a299b07d4dc78ca7d61753a67d0e7bc6f2c0b79845c240
ssdeep: 98304:7UEOw4z7UtLIqgc5bvinuWa/DrC1l66sPqDPyAsDy/lvjM:/u7Asdc5uivuliPqjyzWm
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AB2633567BCC84F9D951037D480743121A2DBC1C991C51A64ECEBC0E187BE8BF5BA6EB
sha3_384: b7dd78551a19f24b5543bc0c9e616cf7f273aa2f9a1f7e16ee67a29c679165eb67f10b121aeeeb9d51e7ae850d4ef742
ep_bytes: 558bec83c4f0b89c9a4100e8b8abfeff
timestamp: 1992-06-19 22:22:17

Version Info:
Comments: 
CompanyName: Piriform Ltd                                                
FileDescription: CCleaner 4.03.4151 Installation                             
FileVersion: 4.03.4151           
LegalCopyright: Piriform Ltd                                                                                        
Translation: 0x0409 0x04e4

PUABundler:Win32/PiriformBundler also known as:

How to remove PUABundler:Win32/PiriformBundler?

• 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.