TrojanDownloader:Win32/Renos.LE (file analysis)

The TrojanDownloader:Win32/Renos.LE 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 TrojanDownloader:Win32/Renos.LE 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
• Dynamic (imported) function loading detected
• Enumerates the modules from a process (may be used to locate base addresses in process injection)
• Enumerates running processes
• Expresses interest in specific running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The executable is compressed using UPX
• Authenticode signature is invalid
• Queries information on disks, possibly for anti-virtualization
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Creates a copy of itself

How to determine TrojanDownloader:Win32/Renos.LE?

File Info:
name: 3EBD78090FF8D21D3F28.mlwpath: /opt/CAPEv2/storage/binaries/a4e30f9c265515ae8dec64ddd17a9edf9b311ac495052b4a02e539a6f5c42aa3crc32: AD179068md5: 3ebd78090ff8d21d3f286e69c062b1casha1: 09483778a36d680d3e2d822ceefdd0dc5a47cdc4sha256: a4e30f9c265515ae8dec64ddd17a9edf9b311ac495052b4a02e539a6f5c42aa3sha512: 5b93f5d245f6bdc5576801fdb0ea72fdbf55a4ab256aeedb2002fdf2289fd92120c467d633bd110f6901a5329035fe26904a6b4f852efae7245eb91ab3a75838ssdeep: 3072:w1DkAVr0PDDEK8OC2vXqOdQ7oGA5DlfbzZZnzg9dY6rNWWjOUA53:wZ0PcKDfqKQoGexzzgHY6rNWWjOUtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15CB4122DE6AF3961E7B761F72E08873254791A326962C7613770B717301D0E3632938Bsha3_384: 479155e192b7e6130591e3db049e319fe2cf2c518f0ff5a883a2a87ce608cecf513fbe74c746de763dd779b50eafee3cep_bytes: 558bec81ecc00200000b4580e81ffbfftimestamp: 2007-12-06 19:27:56
Version Info:
0: [No Data]

TrojanDownloader:Win32/Renos.LE also known as:

How to remove TrojanDownloader:Win32/Renos.LE?

• 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.