UDS:WebToolbar.NSIS.BigSeek information

The UDS:WebToolbar.NSIS.BigSeek 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:WebToolbar.NSIS.BigSeek virus can do?

• Behavioural detection: Executable code extraction – unpacking
• A file was accessed within the Public folder.
• Sample contains Overlay data
• Uses Windows utilities for basic functionality
• Performs HTTP requests potentially not found in PCAP.
• 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
• Behavioural detection: Injection (inter-process)
• CAPE detected the embedded pe malware family
• Detects Bochs through the presence of a registry key
• Attempts to modify proxy settings
• Deletes executed files from disk
• Touches a file containing cookies, possibly for information gathering
• Uses suspicious command line tools or Windows utilities
• Yara detections observed in process dumps, payloads or dropped files

How to determine UDS:WebToolbar.NSIS.BigSeek?

File Info:
name: 3266DBB79AAD426581CC.mlw
path: /opt/CAPEv2/storage/binaries/e66404433e100a9c95b159ef3f4ecff1f8e722c297f04ddfb7733733c2c91aef
crc32: 46C2A0EB
md5: 3266dbb79aad426581cc6efd2b90711b
sha1: cd046abea0e9282f1fcf3da85ec4d2acd1567c94
sha256: e66404433e100a9c95b159ef3f4ecff1f8e722c297f04ddfb7733733c2c91aef
sha512: 5dde27e73af3656f337d6d513f5e0d7941feaa78d755ebc43f409da4602353169ef93edefee26fef4c97d86943917b7a694ba4adc9f5fe8107184ba55608dba6
ssdeep: 98304:QzkrbUUzdCgptrURQXqtl5anpN5RhOe3LPlfLK0kZhV+rc032HEcCnMR4dpEZ1tL:gWU+CgpF6QXqtz+N5RhOelfLK0mkrcSE
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FA463354ADAE91FFE0A1D7BC8DBDB668CD772589B4301521B4EE3C8C0BFA2C54409972
sha3_384: c0f2a72e099b7f170a8280f8cd98785b48b39b4c6d20c20aaff9ffc95df1064faf6f3f83e2ffbd269c1a6d565835c056
ep_bytes: 558bec83c4c453565733c08945f08945
timestamp: 1992-06-19 22:22:17

Version Info:
Comments: This installation was built with Inno Setup.
CompanyName: Topviewsoft, Inc.                                           
FileDescription: Free 3GP Video Converter by Topviewsoft Setup               
FileVersion:                     
LegalCopyright:                                                                                                     
ProductName: Free 3GP Video Converter by Topviewsoft                     
ProductVersion:                     
Translation: 0x0000 0x04b0

UDS:WebToolbar.NSIS.BigSeek also known as:

How to remove UDS:WebToolbar.NSIS.BigSeek?

• 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.