Ransom:Win32/WannaCrypt.A!rfn removal guide

The Ransom:Win32/WannaCrypt.A!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 Ransom:Win32/WannaCrypt.A!rfn virus can do?

• Executable code extraction
• Possible date expiration check, exits too soon after checking local time
• Detected script timer window indicative of sleep style evasion
• A process attempted to delay the analysis task.
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Steals private information from local Internet browsers
• Installs itself for autorun at Windows startup
• Writes a potential ransom message to disk
• Creates a hidden or system file
• Attempts to modify proxy settings
• Uses suspicious command line tools or Windows utilities

How to determine Ransom:Win32/WannaCrypt.A!rfn?

File Info:
crc32: E1E915AA
md5: a22c66ebd44d740c5a8ed280a75da5f2
name: A22C66EBD44D740C5A8ED280A75DA5F2.mlw
sha1: 5a93e571813e41144c3d0e33ea38310d451753d5
sha256: 280a929b0146687f7bb1bb15ae66b4fbda373f53a28cf7632c85fb4d70d2dbce
sha512: 066dde3f7c38a95f5bfd054edc8722b86627a760e9ebb526514eac9ff7a9015f7887deb95b852a9ce2b3f8751ec1e87cd7310ac22643f5d1f970f85303155296
ssdeep: 6144:HI79UQW3NKS0bv39bxiyDHLaU8IIX0mugC3XxeM:HI70Nr0bvtpD2U8xXBCnUM
type: MS-DOS executable, MZ for MS-DOS

Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.
InternalName: findstr
FileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)
CompanyName: Microsoft Corporation
ProductName: Microsoftxae Windowsxae Operating System
ProductVersion: 6.1.7601.17514
FileDescription: Find String (QGREP) Utility
OriginalFilename: FINDSTR.EXE
Translation: 0x0409 0x04b0

Ransom:Win32/WannaCrypt.A!rfn also known as:

How to remove Ransom:Win32/WannaCrypt.A!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.