About “Trojan:Win32/Downloader.RPJ!MTB” infection

The Trojan:Win32/Downloader.RPJ!MTB 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 Trojan:Win32/Downloader.RPJ!MTB virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• 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
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Authenticode signature is invalid
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Created a process from a suspicious location
• Attempts to modify proxy settings

How to determine Trojan:Win32/Downloader.RPJ!MTB?

File Info:
name: C43239B65624449D663B.mlwpath: /opt/CAPEv2/storage/binaries/4b12c2dfbbf5eb336903507d02094d3a871c429da40c2c8fb958231ecef76b38crc32: B51BBE01md5: c43239b65624449d663b38803a52bb06sha1: d3fd57fa1322f6b33534fcb5c517a84e8cd0fbc8sha256: 4b12c2dfbbf5eb336903507d02094d3a871c429da40c2c8fb958231ecef76b38sha512: 464ffbc40f4c16df32724738dc90f5630eb1ad045f862c023c06f6e3e6ba95a79f43dabd91e6c6a3c0b313c5920236cce4cde9f70a93829375844dc37587dce0ssdeep: 768:qrUhl79KVCwti4+l9G+HtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsUI+psm2:qrUn8d+1tdgI2MyzNORQtOflIwoHNV23type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A1C2F7A0E682A8C4D4532977F97BE7C05A17BEDD7422D30C2AD8BD59C6F72817086C1Bsha3_384: 608b6f6a382b257f197d6d6e7d71c557b1a593811ecdba1a9559c7c25a89b7c4f56c092a57056a348c5e6215a916df34ep_bytes: e803dcffff50e86b000000cccccccccctimestamp: 2013-09-13 10:52:22
Version Info:
0: [No Data]

Trojan:Win32/Downloader.RPJ!MTB also known as:

How to remove Trojan:Win32/Downloader.RPJ!MTB?

• 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.