About “PUA:Win32/CCleaner” infection

The PUA:Win32/CCleaner 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 PUA:Win32/CCleaner virus can do?

• Executable code extraction
• Attempts to connect to a dead IP:Port (1 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• A process attempted to delay the analysis task.
• Reads data out of its own binary image
• Drops a binary and executes it
• Uses Windows utilities for basic functionality
• Queries information on disks, possibly for anti-virtualization
• Checks for the presence of known windows from debuggers and forensic tools
• Collects information about installed applications
• 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
• Generates some ICMP traffic
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine PUA:Win32/CCleaner?

File Info:
crc32: A27E78A2
md5: 5cfe04b8bc7c1ce45d18e376ad9116a7
name: ccsetup544.exe
sha1: b8e3425089e74caf1bacc0c806c8c751b32f572e
sha256: fe052ad062014cbb89fb70a6a1bd9c9c324a9e4b9b46a6d9753e34d85cddf8df
sha512: cc0ea5a32a5577d5b67cb3fb3985d484ae99d86e560d6220e2ff68070ba2a29db4ba77c461cd9ae5f7eb489e381ed5c2927e4705db7c229e48506c50dde9a0e4
ssdeep: 393216:Bu4PR/90eJ18DEoHXmA683cEjy0Ly9gOA5AICNkMCXX:BZPR/90K8BB68TyUkZNkBH
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:
LegalCopyright: Copyright xa9 2005-2018 Piriform Ltd
ProductName: CCleaner
FileDescription: CCleaner Installer
FileVersion: 5.44.162.6575
CompanyName: Piriform Ltd
Translation: 0x0000 0x04b0

PUA:Win32/CCleaner also known as:

How to remove PUA:Win32/CCleaner?

• 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.