What is “UDS:Trojan-Dropper.Win32.Pasnaino”?

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)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• CAPE detected the embedded win api malware family
• 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: 1D6FBA6AED345B87CCFF.mlw
path: /opt/CAPEv2/storage/binaries/856d0ec3db0850fae4a673cfd6df57569fe4f8bae5b933db9180ea1a73af8619
crc32: 29C797E2
md5: 1d6fba6aed345b87ccff637aa8bc9731
sha1: 0ff28801e2acac0442265364e87f5a43e12665b5
sha256: 856d0ec3db0850fae4a673cfd6df57569fe4f8bae5b933db9180ea1a73af8619
sha512: ec5374cacb627be50aa8f31be762fc0ebe712657b37e4d310bef92a98ec06cf54d0a4a91872ff6a1ed35e4193daf1998f3a55703626cacac4469bcd8490cb611
ssdeep: 49152:8qeNVkSAX9hk2AnI2zh6Nei1XWGJ0YF1I8P7Jop40jpv6gWQ:JEuD4nI2AIYo8C4Esg7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AAB5E03FB268653ED5AA4B3245B39310997B7A61B81B8C1E07F0480DCF6A5701F3FA56
sha3_384: ef807aa049aba2b7f20057b8c696fc57ff362930ceaae0dc4dc91f9e91e44b0b7ce02e61e04b6d621d72ad343f6a3436
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.