Backdoor:Win32/Simda.A removal tips

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
• Attempts to connect to a dead IP:Port (1 unique times)
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Deletes its original binary from disk
• Code injection with CreateRemoteThread in a remote process
• A process attempted to delay the analysis task by a long amount of time.
• Tries to unhook or modify Windows functions monitored by Cuckoo
• 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
• Exhibits behavior characteristics of Vawtrak / Neverquest malware.
• Creates a copy of itself
• Creates a slightly modified copy of itself
• Collects information to fingerprint the system
• Anomalous binary characteristics

Related domains:

How to determine Backdoor:Win32/Simda.A?

File Info:
crc32: 82474F7A
md5: ca34c9de4391a1e0e50db3a96c3e3870
name: CA34C9DE4391A1E0E50DB3A96C3E3870.mlw
sha1: ff0af128754769ed52363ac7949dfdb0fcdeb1ba
sha256: c779a6b42e8457e3f4821af5807ebe5d812b2f5b884f13b2e22d64545814b5f7
sha512: 31e7817ee9a3328f0badd5e1933d2d52769d3c1b1f41f57c8b1ce943ea9af9a24f93834368ad7327f50a33f3cdb7391d14bf446a9e39d8930d3818143d8277ed
ssdeep: 6144:AQmqzM7+xq8XOL2cujXy7xgsJ1zfZkmjXoQAOsB6OACSmuyPdG:LmgMyx962cuigYxkmD1cUOAVyQ
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:
0: [No Data]

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.