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.

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.mlwpath: /opt/CAPEv2/storage/binaries/2d8b0e9df9d22cd4217dfebef53637645260b52824e5b4c644e3c6fbd18696decrc32: 9F5A079Fmd5: ae5694f01d51499c7c1791cbcb640b29sha1: ec3f47f3b07dd9973bb90e4ae066ae30c241933bsha256: 2d8b0e9df9d22cd4217dfebef53637645260b52824e5b4c644e3c6fbd18696desha512: 6ff6958e77284095f0549439285847091a9917c798f1e4854ab615ade2a55e2d7de00e4a9ce91a8786a299b07d4dc78ca7d61753a67d0e7bc6f2c0b79845c240ssdeep: 98304:7UEOw4z7UtLIqgc5bvinuWa/DrC1l66sPqDPyAsDy/lvjM:/u7Asdc5uivuliPqjyzWmtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AB2633567BCC84F9D951037D480743121A2DBC1C991C51A64ECEBC0E187BE8BF5BA6EBsha3_384: b7dd78551a19f24b5543bc0c9e616cf7f273aa2f9a1f7e16ee67a29c679165eb67f10b121aeeeb9d51e7ae850d4ef742ep_bytes: 558bec83c4f0b89c9a4100e8b8abfefftimestamp: 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.