UDS:Trojan-Dropper.Win32.Pasnaino removal guide

The UDS:Trojan-Dropper.Win32.Pasnaino 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 UDS:Trojan-Dropper.Win32.Pasnaino virus can do?

• Behavioural detection: Executable code extraction – unpacking
• A file was accessed within the Public folder.
• Sample contains Overlay data
• 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
• Authenticode signature is invalid
• Uses Windows utilities to create a scheduled task
• Behavioural detection: Injection (inter-process)
• Deletes executed files from disk
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine UDS:Trojan-Dropper.Win32.Pasnaino?

File Info:
name: C09E565E43BFBF3ACF93.mlw
path: /opt/CAPEv2/storage/binaries/af36833f17f8f46feeb4030f2ba4feaa000e4406fdd5382e91c4ec93a6e9cd1a
crc32: A154A626
md5: c09e565e43bfbf3acf93c576ad2dad16
sha1: bcc0e7c3609eec727a419960ce72b87149b5f1ba
sha256: af36833f17f8f46feeb4030f2ba4feaa000e4406fdd5382e91c4ec93a6e9cd1a
sha512: 6416060992d018d6872c9baef7df9c51a43ce1362e529f62f930931d245a0ee92c918ffc28690e0bf796386ede3b1bd812d29c3f42578b60db3c2f78e5e82b4a
ssdeep: 49152:8qeNVx0uqhJe76xJdPPF+Ps5+/GJ0YF1I8P7Jop40jpv6gWQ:JEH7T7IJdPwPmeYo8C4Esg7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1A5B5E03FB268653ED5AB4B3245B39220997BBB61A81B8C1E07F0084DDF665701F3FA15
sha3_384: b83ad848bc9adc6b8b645182129503e4d80d5280320563ec47e0579278c6ec4d1b0d18a7adbcf4232b4d08b041616006
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 2020-05-21 05:56:23

Version Info:
Comments: This installation was built with Inno Setup.
CompanyName:                                                             
FileDescription: Bittorrent Setup                                            
FileVersion:                     
LegalCopyright:                                                                                                     
OriginalFileName:                                                   
ProductName: Bittorrent                                                  
ProductVersion: 3.5                                               
Translation: 0x0000 0x04b0

UDS:Trojan-Dropper.Win32.Pasnaino also known as:

How to remove UDS:Trojan-Dropper.Win32.Pasnaino?

• 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.