Trojan-Dropper.MSIL.Addrop.csx (file analysis)

The Trojan-Dropper.MSIL.Addrop.csx 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-Dropper.MSIL.Addrop.csx virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Sample contains Overlay data
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Checks adapter addresses which can be used to detect virtual network interfaces
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Attempts to modify proxy settings
• Deletes executed files from disk

How to determine Trojan-Dropper.MSIL.Addrop.csx?

File Info:
name: 91B6F8D1E89F560F2469.mlw
path: /opt/CAPEv2/storage/binaries/006115d132a11a734c6914fc9a36ed4a7da432702f1dcf88e3e8bc6f6be8d244
crc32: BF387A46
md5: 91b6f8d1e89f560f2469f78ee45bd7ff
sha1: df6e5d7b1bf85b229feed4c26e79480cc50dc28d
sha256: 006115d132a11a734c6914fc9a36ed4a7da432702f1dcf88e3e8bc6f6be8d244
sha512: b4f0f8883dbe5635dc44ad5282d9e7f36c2a572311f4537fb08f8b2d86712f20ce00a7a750592e04f5c42f38d2868a26c47703d2ca3c2130b63174a3e0d448bf
ssdeep: 12288:JyIFi2Kurqo7RWJpoj/XTRVxArs2sBMBQheqytq8/QH/Anbj/:JyIM2Kqqo7R4m/jRVysWNqn4nbj/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T101E4896392FD24F7F0A287B84517562B8F1A7F306A73890D653938FA2B36F84410BE55
sha3_384: ca03889929e884c0d71730503b62b998b80b67675f6677aa4a65ad9822483df56ce360359cd9c6ec3e20ff9abebe0132
ep_bytes: 558bec83c4c453565733c08945f08945
timestamp: 1992-06-19 22:22:17

Version Info:
Comments: This installation was built with Inno Setup.
CompanyName:                                                             
FileDescription: GPA Setup                                                   
FileVersion:                     
LegalCopyright:                                                                                                     
ProductName: GPA                                                         
ProductVersion: 2.0.2                                             
Translation: 0x0000 0x04b0

Trojan-Dropper.MSIL.Addrop.csx also known as:

How to remove Trojan-Dropper.MSIL.Addrop.csx?

• 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.