Adware:OSX/Yoontoo

Classification

Spyware

Adware

OSX

Yoontoo, Yoontoo.A, Yoontoo.B, Adware:OSX/Yoontoo.A, Adware:OSX/Yoontoo.B

Summary

Adware:OSX/Yontoo silently installs third-party browser extensions which will display unsolicited pop-up adverstiments.

Removal

Automatic action

Based on the settings of your F-Secure security product, it will either automatically delete or quarantine the file, or ask you for a desired action.

Manual removal

Caution Manual disinfection is a risky process; it is recommended only for advanced users. Otherwise, please seek professional technical assistance. F-Secure customers may also contact our Support.

  • Run the following commands in Terminal to removed the programs installed from the Yoontoo.B archive:
    • - cd /private/var/tmp
    • - rm -f 3dpartyinstaller.zip
    • - rm -f gophotoit.crx
    • - rm -f torrenthandler.crx
    • - rm -rf YontooMacSilentInstaller\ <day-month-year >/
    • - cd ~/Library/Application Support/Google/Chrome/External Extensions
    • - rm -f hphibigbodkkohoglgfkddblldpfohjl.json
    • - rm -f pfmopbbadnfoelckkcmjjeaaegjpjjbk.json
  • Then remove the "GoPhotoIt", "Torrent Handler" and "Yontoo" extensions from your browsers, as seen in the examples below.
    • Safari:
    • Firefox:
    • Chrome:
Find out more

Knowledge Base

Find the latest advice in our Community Knowledge Base.

User Guide

See the user guide for your product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details

Adware:OSX/Yontoo.A is known to be bundled and distributed with the following browser extensions:

  • Banner Gagets
  • FreeTwitTube
  • ezLooker
  • Buzzdock and Wajam
  • Pagerage
  • GoPhotoIt
  • TorrentHandler

On installation, Yontoo.A will download the Yontoo installer (detected as Adware:OSX/Yontoo.B) from a remote site. The installer's archive, which uses the file name 3dpartyinstaller.zip, is then saved and its contents are extracted to the following location:

  • /private/var/tmp/YontooMacSilentInstaller <day-month-year>

The following browser extensions are installed together with the Yontoo adware:

  • GoPhotoIT
  • TorrentHandler

Date Created: 2012-24-12 06:16:09.0

Date Last Modified: 2012-24-12 14:18:01.0