About “Backdoor.MSIL.NanoBot.nqs” infection

The Backdoor.MSIL.NanoBot.nqs 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.MSIL.NanoBot.nqs virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Anomalous file deletion behavior detected (10+)
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Created a process from a suspicious location

How to determine Backdoor.MSIL.NanoBot.nqs?

File Info:
name: 4D7B22C8FE035E077B97.mlw
path: /opt/CAPEv2/storage/binaries/261d471ebc828ce01cccb2ee7c2e24ae599cf2f71ff39a966b49b66fb7ca39e3
crc32: 8432FE05
md5: 4d7b22c8fe035e077b97ef1e916a9907
sha1: 7da5bbfd3b047b8a06ec97ae46b466851836dee1
sha256: 261d471ebc828ce01cccb2ee7c2e24ae599cf2f71ff39a966b49b66fb7ca39e3
sha512: e0d43800ee5e3b3d8430b672a1b116c1aede1eb89cf46071b27802ea547a47ef03e68031fcfb84f6177014252b17264a714f0e400ab5ddfe5774deb014ffa27d
ssdeep: 196608:M1b6wNLtXj8DKwf9lK6PH5Dxo4Y7weM8uAsVu/RcU1mjKLNXZ:M1b6mtXj8Kwf/K6BD2d7+j1upcMr
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AF9633A5B6065CD0DB89463517A43EE0AC824F8F77BA5C0FFD71CAA2447B68AC7441B3
sha3_384: 1232eaec0dec2fec95d9887fa1fcedf9df7e939d5ddbea6dd9b8b1f5d481002fcd65c1776bec8ec959a9d6041ce1ce32
ep_bytes: 81ec800100005355565733db68018000
timestamp: 2015-12-27 05:38:55

Version Info:
0: [No Data]

Backdoor.MSIL.NanoBot.nqs also known as:

How to remove Backdoor.MSIL.NanoBot.nqs?

• 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.