PWS:Win32/Vigorf.A removal

The PWS:Win32/Vigorf.A 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 PWS:Win32/Vigorf.A virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• At least one process apparently crashed during execution
• 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
• Enumerates running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Authenticode signature is invalid
• A scripting utility was executed
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• 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
• Collects and encrypts information about the computer likely to send to C2 server
• 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 PWS:Win32/Vigorf.A?

File Info:
name: D3EA7D714B00CD0C330B.mlw
path: /opt/CAPEv2/storage/binaries/c22511422651413e2bd0a6115bf35300e935da27ca17f068a08ff8d1cd45fea3
crc32: FDDD0B25
md5: d3ea7d714b00cd0c330b19898e739f9c
sha1: abfdb812a4f0d408c9a1e5793b92ac6d830cfe42
sha256: c22511422651413e2bd0a6115bf35300e935da27ca17f068a08ff8d1cd45fea3
sha512: 7b14e1344712a6cf677edfdf1dd37e36d2e66b1729b6c645c6b80014dabfbee079503bc6c5d2b619c8459fb8699c94f9852cc5c5b5c7e9363bec93c6969c7d23
ssdeep: 196608:JCPMzTSsWNw+JL1EIvB8oe2v4xGqhqMvEDwTbwF:JCqTQHBEI58ol4xRh9EDwXwF
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D466332D7201D18BC632C5707E2177ACA950D74B85083F0A5E7AAE5AB7B97F906DEF00
sha3_384: b3382f271e373b54d3ca834ff1a373acfd892df64288cbb99561a6d8a4eb980397c7b03dd6908c7dce4370e4cc6a9e3c
ep_bytes: 81ecd40200005356576a205f33db6801
timestamp: 2020-08-01 02:44:18

Version Info:
0: [No Data]

PWS:Win32/Vigorf.A also known as:

How to remove PWS:Win32/Vigorf.A?

• 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.