Trojan-Downloader.MSIL.Agent.arjf removal

Malware Removal

The Trojan-Downloader.MSIL.Agent.arjf 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Trojan-Downloader.MSIL.Agent.arjf virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Mimics the system’s user agent string for its own requests
  • Attempts to connect to a dead IP:Port (19 unique times)
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • 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
  • Uses Windows utilities for basic functionality
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Network activity contains more than one unique useragent.
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to identify installed analysis tools by registry key
  • Attempts to modify proxy settings
  • Attempts to create or modify system certificates
  • The sample wrote data to the system hosts file.
  • Generates some ICMP traffic

Related domains:

How to determine Trojan-Downloader.MSIL.Agent.arjf?

File Info:

crc32: B8871CFB
md5: fce837623f5184a71022ae71638c84f7
name: FCE837623F5184A71022AE71638C84F7.mlw
sha1: f89872d03aa84d7d445c447a917dbc118a25d42c
sha256: ac0cd27c71d75b6ea298c5169f845ab40e4b5750cb76368c5364f29178e0594d
sha512: 5cd855b3493e8bb1f17f0ba809efb13c690eb1cc8a12006d2d74a5f8d69a3aadc77718a6e752a5c1455c218fd099895d54dcc41652ea889e41892c49d736755b
ssdeep: 6144:d/QiQXCh5m+ksmpk3U9j0IF2soxvjFEOTb9WmZX/8shzdsY4CpHPhnZSvb:VQi3hc6m6UR0Icp1hf39Wkv8xwJZg
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Comments: This installation was built with Inno Setup.
ProductName: 33l_icon
ProductVersion: 3.0
FileDescription: 33l_icon Setup
Translation: 0x0000 0x04b0

Trojan-Downloader.MSIL.Agent.arjf also known as:

Elasticmalicious (high confidence)
ESET-NOD32multiple detections
SophosGeneric ML PUA (PUA)

How to remove Trojan-Downloader.MSIL.Agent.arjf?

Trojan-Downloader.MSIL.Agent.arjf removal tool
  • 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.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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