What is “Trojan-Downloader.Win32.Alien.frf”?

The Trojan-Downloader.Win32.Alien.frf 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-Downloader.Win32.Alien.frf virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Enumerates running processes
• Expresses interest in specific running processes
• Reads data out of its own binary image
• A process created a hidden window
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities to enumerate running processes
• Authenticode signature is invalid
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Forces a created process to be the child of an unrelated process
• Detects the presence of Windows Defender AV emulator via files
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Trojan-Downloader.Win32.Alien.frf?

File Info:
name: C52104CA0DC4EE132E2B.mlw
path: /opt/CAPEv2/storage/binaries/a6631ee276352e38000a9c90b0a3fb7b58fae1167e60bb61514e2a1b1995adf8
crc32: 0A53FCB3
md5: c52104ca0dc4ee132e2b5621c8e4b0ab
sha1: d97b408dff81bf81f4626d063cba3e96115b3e99
sha256: a6631ee276352e38000a9c90b0a3fb7b58fae1167e60bb61514e2a1b1995adf8
sha512: 7cc53c12d127c774489503f1dae3feedf9b8a5c225bc7b1f23b596d057d6781493dea2e5a9f482f6b4203501eb8662e87c33dd0db91b132060c3ce9a6a0a12a6
ssdeep: 24576:UQ8wx/aR/Hw89VvouxWtzOns/c6icQ10lPjfyab:UQW/Hw89VAuItzOsnLRfya
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15F45123799D92D62DA6117B804B5DE37C638BDA4091C8B9E16DDBC8B78D70806A7033F
sha3_384: 442f7b633d2a3d0ba2927c7dccbb8faebf9dfe921a5ab24b39e0f46f4b5f5d22904a46be8eb12e5e8caf6e49ff1a6cbd
ep_bytes: e8070b0000e905000000cccccccccc6a
timestamp: 2013-08-22 04:01:48

Version Info:
CompanyName: Tqocdrajb Lwzfjjnuxi
FileDescription: Bvm24 Emvhfub Reqkxochpy
FileVersion: 3.50.6274.87091 (saluzlj_uzy.383482-9047)
InternalName: Ogtlqwt
LegalCopyright: © Tqocdrajb Lwzfjjnuxi. Svv Pkqled Vnipftdm.
OriginalFilename: DUIXLQF.EXE            .SGR
PrivateBuild: Enljb 0, 5066
ProductName: Ygtklsuz Mgbzyzxk
ProductVersion: 3.50.6274.87091
Translation: 0x0409 0x04b0

Trojan-Downloader.Win32.Alien.frf also known as:

How to remove Trojan-Downloader.Win32.Alien.frf?

• 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.