Should I remove “Trojan-PSW.Win32.Stealer.yst”?

The Trojan-PSW.Win32.Stealer.yst 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-PSW.Win32.Stealer.yst virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• 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
• Guard pages use detected – possible anti-debugging.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Starts servers listening on 127.0.0.1:0
• 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
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Behavioural detection: Injection (inter-process)
• Checks for the presence of known windows from debuggers and forensic tools
• Created a process from a suspicious location
• Steals private information from local Internet browsers
• Captures Screenshot
• Network activity contains more than one unique useragent.
• Creates a hidden or system file
• CAPE detected the Vidar malware family
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Attempts to modify proxy settings
• Attempts to disable Windows Defender
• Attempts to modify Windows Defender using PowerShell
• Harvests cookies for information gathering
• Attempts to execute suspicious powershell command arguments
• Uses suspicious command line tools or Windows utilities

How to determine Trojan-PSW.Win32.Stealer.yst?

File Info:
name: 3EA51B498B7BEA8E5848.mlwpath: /opt/CAPEv2/storage/binaries/5d4fcd7722877b2f5c272ccc3b73d117967b11e575a354349cfd3fd7b0cd376bcrc32: 9A705A21md5: 3ea51b498b7bea8e5848de30c3f7d967sha1: 420a0a120243b1cd5dbba1ca9cd485691d430a55sha256: 5d4fcd7722877b2f5c272ccc3b73d117967b11e575a354349cfd3fd7b0cd376bsha512: 9a148c3320b9270b1eb809146e17e3c26403720326958a6cb226fef74d188ee75e55cf77536edb0acd6733cbc309012ec6288c09ecf309e1879ff3501216092fssdeep: 196608:xBDwbaTsPHjcLz7G/Okwmygr8iLHvPejUSweFZ:xWeiw30N5rHLHvEwCtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18A66335B71D880F6FE639232A7CC3DF641B1630416206DFB7350C94C6EB98B5AA6F486sha3_384: c46307b0f7364896af3dcc42e1c96793b56f53c00745df1a0fa0c8e2b9bac33bfb4107aab88b98cc7788918b38b6def5ep_bytes: 558bec6aff6898c24100680691410064timestamp: 2019-02-21 16:00:00
Version Info:
CompanyName: Igor PavlovFileDescription: 7z Setup SFXFileVersion: 19.00InternalName: 7zS.sfxLegalCopyright: Copyright (c) 1999-2018 Igor PavlovOriginalFilename: 7zS.sfx.exeProductName: 7-ZipProductVersion: 19.00Translation: 0x0409 0x04b0

Trojan-PSW.Win32.Stealer.yst also known as:

How to remove Trojan-PSW.Win32.Stealer.yst?

• 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.