About “Backdoor:Win32/Nosrawec.B” infection

The Backdoor:Win32/Nosrawec.B 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/Nosrawec.B virus can do?

• Injection (inter-process)
• Injection (Process Hollowing)
• Executable code extraction
• Injection with CreateRemoteThread in a remote process
• Creates RWX memory
• A process created a hidden window
• Drops a binary and executes it
• HTTP traffic contains suspicious features which may be indicative of malware related traffic
• Performs some HTTP requests
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities for basic functionality
• Executed a process and injected code into it, probably while unpacking
• Installs itself for autorun at Windows startup
• Creates a copy of itself

How to determine Backdoor:Win32/Nosrawec.B?

File Info:
crc32: 58C4BCD8
md5: 1c210f2c98a7d44ffd53f4c1d73f4c2e
name: 1C210F2C98A7D44FFD53F4C1D73F4C2E.mlw
sha1: b68a21dcfc5f68afd7f5a6f9edb4d77169e65ec1
sha256: 1d5257b91b8c74034f124bf3bba4457a8a03e23f456af0b7bbd79ddc0b0fa585
sha512: 74ff4111488fed234fbbd9016530717533dfd3781b77a7908bfe510fb8c00f059bf7c3edf201cedc832c285772bc8288f745ec2443c6bbd11a3b7be0c90b2c61
ssdeep: 24576:fZ94iYzDA4iCvT9Wpfaz5WTvOAR8tY+51Q0JkTwiHoqEOlS:fZ9GP9u+t71Q0RiHoPOY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
0: [No Data]

Backdoor:Win32/Nosrawec.B also known as:

How to remove Backdoor:Win32/Nosrawec.B?

• 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.