Backdoor.Win32.Tofsee.doxy (file analysis)

The Backdoor.Win32.Tofsee.doxy 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.Tofsee.doxy virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Creates RWX memory
• A process attempted to delay the analysis task.
• Attempts to connect to a dead IP:Port (19 unique times)
• Starts servers listening on 0.0.0.0:3153
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• Performs some HTTP requests
• Unconventionial language used in binary resources: Ukrainian
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Uses Windows utilities for basic functionality
• Enumerates services, possibly for anti-virtualization
• Executed a process and injected code into it, probably while unpacking
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Installs itself for autorun at Windows startup
• A possible cryptomining command was executed
• Attempts to interact with an Alternate Data Stream (ADS)
• Anomalous binary characteristics

Related domains:

How to determine Backdoor.Win32.Tofsee.doxy?

File Info:
crc32: 095843DF
md5: ef9adfd01c808d1f0bcbf632ac905bab
name: EF9ADFD01C808D1F0BCBF632AC905BAB.mlw
sha1: c74f588722308cdce0bbf1777ffb962fafc8ffb3
sha256: e2c864a0a4af4ef4e1114f1df1122d6898c4768fa592989732e8e478c90fe922
sha512: 40321056bb6b928e17ffdf329b6b42518acf33c82b3bf08f0833c3256817c49a09a2675b44b3d5cab51a5967b572343bab254b17bb562933e543b5892de031a1
ssdeep: 3072:Z2BR6Vs5df1znn0SJ0BRBRwPe3NTzo6zi4t:8Rmqt0SJ0DAk3osi4t
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
InternalSurname: debaukd.ekze
Prod: 1.2.7
FileVersions: 1.0.5.6
LegalCo: Copyri (C) 2019, permudationzi

Backdoor.Win32.Tofsee.doxy also known as:

How to remove Backdoor.Win32.Tofsee.doxy?

• 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.