Symmi.59912 (file analysis)

The Symmi.59912 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 Symmi.59912 virus can do?

• Executable code extraction
• Creates RWX memory
• Attempts to connect to a dead IP:Port (8 unique times)
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• Performs some HTTP requests
• Looks up the external IP address
• Uses Windows utilities for basic functionality
• Attempts to remove evidence of file being downloaded from the Internet
• Attempts to delete volume shadow copies
• Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware
• Installs itself for autorun at Windows startup
• Exhibits possible ransomware file modification behavior
• Writes a potential ransom message to disk
• Creates a copy of itself
• Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Symmi.59912?

File Info:
crc32: 5AD7AF8F
md5: 4cdc9510ddaac27747fc08cb52783d92
name: 4CDC9510DDAAC27747FC08CB52783D92.mlw
sha1: 83615429e192e7761d411f04b1d4c759971ae19d
sha256: b3721b9efe4867f25698e86278595076ec681703e638a40e7f0bd9e276b123fb
sha512: daa9b18760c53a9038789df97b5e8b306d911e1b79e5efdc8d8bab0b44ea4adf6e0d066593fa807ba02cb0ce804fd8a043de9ad9fcc230d3f4865604a3dca0fa
ssdeep: 6144:kdRoLBgq5YN9Dy9s2//VgZEcKIfN9GXDk5VSH:6qWN9kL/ydKIf2k5QH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: Dropbox, Inc.
FileVersion: 2.10.41
CompanyName: Dropbox, Inc.
ProductName: Dropbox
ProductVersion: 2.10.41
FileDescription: Dropbox
OriginalFilename: Dropbox.exe
Translation: 0x0409 0x04b0

Symmi.59912 also known as:

How to remove Symmi.59912?

• 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.