PWS:AutoIt/Passup!rfn removal guide

The PWS:AutoIt/Passup!rfn 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 PWS:AutoIt/Passup!rfn virus can do?

• A process attempted to delay the analysis task.
• At least one IP Address, Domain, or File Name was found in a crypto call
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• A process created a hidden window
• Performs some HTTP requests
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Looks up the external IP address
• Uses Windows utilities for basic functionality
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Checks the version of Bios, possibly for anti-virtualization
• Checks the CPU name from registry, possibly for anti-virtualization
• Attempts to modify proxy settings
• Attempts to disable UAC
• Attempts to modify UAC prompt behavior
• Collects information to fingerprint the system

Related domains:

How to determine PWS:AutoIt/Passup!rfn?

File Info:
crc32: 01C1B9A3
md5: f58d5cf1f4b682aa14675ee41fe92d15
name: F58D5CF1F4B682AA14675EE41FE92D15.mlw
sha1: 3dab45d96e5b5b808464f40b1c36c8fd84805642
sha256: b4e9a21661f68ec56c0548aa559affa96449157b97212f2a9d08795802721158
sha512: 3711aaa30eb210dd272377edfa4edc7326fb71966ac175267d3d860b11a7be491d94bc7d14122e1cddc599358976419c179361386249f6410e21354dde55416e
ssdeep: 49152:0UTsam6xUsbHToqaUsbHTokjJUsbHToc:0aBUkTFaUkTvJUkT3
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: xa9 2003 - 2015 Microsoft Corporation
FileVersion: 7.12.23.95
Comments: Skype
FileDescription: Skype Technologies S.A.
Translation: 0x0809 0x04b0

PWS:AutoIt/Passup!rfn also known as:

How to remove PWS:AutoIt/Passup!rfn?

• 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.