What is “MSIL/Packed.SmartAssembly.N suspicious”?

The MSIL/Packed.SmartAssembly.N suspicious 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 MSIL/Packed.SmartAssembly.N suspicious virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• 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
• The binary likely contains encrypted or compressed data.
• .NET file is packed/obfuscated with SmartAssembly
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• 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
• CAPE detected the njRat malware family
• Creates a copy of itself
• Creates known Njrat/Bladabindi RAT registry keys

How to determine MSIL/Packed.SmartAssembly.N suspicious?

File Info:
name: 8E02225F9C7ACFEF5058.mlw
path: /opt/CAPEv2/storage/binaries/ade422d18b6b9cf24000a8f2b57ad344e248abcfd1086b2dc600c7d8ffdc332d
crc32: 79302898
md5: 8e02225f9c7acfef50589076585518a8
sha1: b71a89f937042a941fe596c88ee008a2e79c9ca7
sha256: ade422d18b6b9cf24000a8f2b57ad344e248abcfd1086b2dc600c7d8ffdc332d
sha512: 7421da196f0cf65973743f7c0aef532133cf2de8dbb1f9434810a2750a543b69514c7499422cc19808b79b985cf510063ea10ef74f7be0634db0b6e9c814d167
ssdeep: 6144:PopTOp+0JzeRbvikXAF3g/TTGLQrBWJPC:PoFOp+0IQ3gbSLa2C
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16164DF173E41E2C2F76E8576488A91311653AC6AD947D62B32CCBF0F78FC7A1B5128B1
sha3_384: 7a2851c0482e54586b59989b9188ded7f09d18ea1013e751cf31ea1bdc5c4af9b5d6bb76a22140f1d7ec437205236b06
ep_bytes: ff250020400000000000000000000000
timestamp: 2016-01-30 13:37:15

Version Info:
0: [No Data]

MSIL/Packed.SmartAssembly.N suspicious also known as:

How to remove MSIL/Packed.SmartAssembly.N suspicious?

• 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.