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.

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.mlwpath: /opt/CAPEv2/storage/binaries/e66404433e100a9c95b159ef3f4ecff1f8e722c297f04ddfb7733733c2c91aefcrc32: 46C2A0EBmd5: 3266dbb79aad426581cc6efd2b90711bsha1: cd046abea0e9282f1fcf3da85ec4d2acd1567c94sha256: e66404433e100a9c95b159ef3f4ecff1f8e722c297f04ddfb7733733c2c91aefsha512: 5dde27e73af3656f337d6d513f5e0d7941feaa78d755ebc43f409da4602353169ef93edefee26fef4c97d86943917b7a694ba4adc9f5fe8107184ba55608dba6ssdeep: 98304:QzkrbUUzdCgptrURQXqtl5anpN5RhOe3LPlfLK0kZhV+rc032HEcCnMR4dpEZ1tL:gWU+CgpF6QXqtz+N5RhOelfLK0mkrcSEtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1FA463354ADAE91FFE0A1D7BC8DBDB668CD772589B4301521B4EE3C8C0BFA2C54409972sha3_384: c0f2a72e099b7f170a8280f8cd98785b48b39b4c6d20c20aaff9ffc95df1064faf6f3f83e2ffbd269c1a6d565835c056ep_bytes: 558bec83c4c453565733c08945f08945timestamp: 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.