Backdoor.MSIL.Remcos.xq (file analysis)

The Backdoor.MSIL.Remcos.xq 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.

What Backdoor.MSIL.Remcos.xq virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• NtSetInformationThread: attempt to hide thread from debugger
• Dynamic (imported) function loading detected
• CAPE extracted potentially suspicious content
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Sniffs keystrokes
• Behavioural detection: Injection (inter-process)
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Anomalous binary characteristics

How to determine Backdoor.MSIL.Remcos.xq?

File Info:
name: 2D383AAC7D86426D42B5.mlwpath: /opt/CAPEv2/storage/binaries/087bb4ae6732d3cf9d995cd22c38a662853123b8c948449fc409ef30da36780ccrc32: BFEE9B3Bmd5: 2d383aac7d86426d42b5660de1687febsha1: 3c9e36498bc70d47ef3960b23fa1e3ef1ad93f58sha256: 087bb4ae6732d3cf9d995cd22c38a662853123b8c948449fc409ef30da36780csha512: c380070397a007128472db8d0d311915a1e98956f635a944df710adc49bd2b6022635ff0e75062c3592d4fad6555e08f71a528a2fa548ac4193f85a6043752c8ssdeep: 196608:9SjXcezEhxr8YpnwwdJUHIs5mgBG+A2U1:9qXcezEhZppnwSJAIo5BG+A2Itype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1867633761182A053DC22A6399C86C8FBC751AF765EC0DAF3668F219F058F42942C67DFsha3_384: 8cafab72aafec1829093dfab222bf247a500b28f366b7c2738eee0e7343fd2920800b0d331f230e949991e913bea5a25ep_bytes: 68ecd44000e8f0ffffff000000000000timestamp: 2011-11-06 08:39:01
Version Info:
Translation: 0x0409 0x04b0CompanyName: Don HO don.h@free.frFileDescription: Notepad++ : a free (GNU) source code editorLegalCopyright: Copyleft 1998-2016 by Don HOProductName: Notepad++FileVersion: 7.82ProductVersion: 7.82InternalName: Notepad++OriginalFilename: Notepad++.exe

Backdoor.MSIL.Remcos.xq also known as:

How to remove Backdoor.MSIL.Remcos.xq?

• 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.