Trojan:Win32/Tofsee.NM!MTB removal guide

The Trojan:Win32/Tofsee.NM!MTB 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 Trojan:Win32/Tofsee.NM!MTB virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Portuguese (Brazilian)
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Enumerates services, possibly for anti-virtualization
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• CAPE detected the Tofsee malware family
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Trojan:Win32/Tofsee.NM!MTB?

File Info:
name: A9D844EEDC10836827AE.mlw
path: /opt/CAPEv2/storage/binaries/732ffc1c234b3f3df11a78b54d073286c9f99f0926dc63ea7b3f25c8331aa55c
crc32: 3A37627C
md5: a9d844eedc10836827ae9883191a39d2
sha1: 558c7db2117aaad8ac2cdb632bd8786107d88c61
sha256: 732ffc1c234b3f3df11a78b54d073286c9f99f0926dc63ea7b3f25c8331aa55c
sha512: 46dd25c063be3bda5756342d495d70dc77cf64d002e617dcbcafd5fb33a0ddbd597b926aca400cfa81458a1a5a6a55c6e59a83b45de30e8df1316739279a74d0
ssdeep: 12288:gKv3SK/jiBvN9Bpakuhr1f3uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu3:nFjiPYFf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T127F68D3148769DBEC23113BC672CBF0C0AEFE380A668A8BBE06859D46D5757D4CC4A57
sha3_384: 89b66b4fb418b8525c51b55ce4705857254e8bf13a41c06fe03f6ee88fa39a3c47a4ec2aeb99f1b9b42a36c788253fd3
ep_bytes: 558bec6aff68589d430064a100000000
timestamp: 2018-11-05 05:47:09

Version Info:
Translation: 0x0115 0x04e5

Trojan:Win32/Tofsee.NM!MTB also known as:

How to remove Trojan:Win32/Tofsee.NM!MTB?

• 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.