Backdoor:Win32/Simda!A information

The Backdoor:Win32/Simda!A 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 Backdoor:Win32/Simda!A virus can do?

• Executable code extraction
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• Expresses interest in specific running processes
• Performs some HTTP requests
• The binary likely contains encrypted or compressed data.
• Code injection with CreateRemoteThread in a remote process
• Deletes its original binary from disk
• Installs itself for autorun at Windows startup
• Attempts to identify installed AV products by installation directory
• Creates a copy of itself
• Creates a slightly modified copy of itself
• Anomalous binary characteristics

Related domains:

How to determine Backdoor:Win32/Simda!A?

File Info:
crc32: 1FDBA34A
md5: 84083c38d0b52cfaf69fffa3ce5b1c3f
name: 84083C38D0B52CFAF69FFFA3CE5B1C3F.mlw
sha1: c0810c8ef8dffbb73ebd079a9b291a9ac05688ba
sha256: 1df815ff3a7848c4fff7de94f7b185ab2e16a3b00f4a5c88926def25d412bc6a
sha512: f4b5c37bebb756716ae1fc3e9ec94b173534969d4a3c7aec12d7c67a3b60b9bd0037fe4ca8fac15e3fe4c6c9fe06dc3bb50f5b1f71f9e57e72d5c91ac5fb1887
ssdeep: 3072:tHJEqesC5DzlN88DKAOsoyUKjZR6YJ+t3KsxAa6qgyKje5xgYw0DRRLl7j:TZCY8DKhGLZR6m4KZaXpXw0DjLl
type: MS-DOS executable

Version Info:
LegalCopyright: xa9 1997-2010 Kaspersky Lab ZAO.
InternalName: klwtbws
FileVersion: 1.1.0.4
CompanyName: Kaspersky Lab ZAO
ProductName: Kaspersky Anti-Virus
1: Kasperskyx2122 Anti-Virus xae  is registered trademark of Kaspersky Lab ZAO.
ProductVersion: 1.9.4.7
FileDescription: WebToolBar component
Translation: 0x0409 0x0000

Backdoor:Win32/Simda!A also known as:

How to remove Backdoor:Win32/Simda!A?

• 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.