中アクティブ
Medium Risk
50%
Browser Hijacker Adware
Redirects searches, injects ads, and changes homepage without consent.
#adware#browser#pup
脅威の概要
Browser hijackers alter default search engines, inject affiliate ads, and redirect traffic—often bundled with free software installers.
攻撃の挙動
- Search engine replacement
- Injected banner ads on legitimate sites
- Affiliate link redirection
感染経路
- Bundled installers
- Malicious extensions
- Policy key modification on Windows
症状と指標
- Homepage changes after restart
- New toolbars
- Search results filled with ads
即時の緩和策
- Reset browser settings
- Remove suspicious extensions
- Check enterprise policy keys
削除ガイド
- Run PUP cleanup scan
- Reset browser profiles
- Clear DNS cache
予防方法
- Custom install options declining bundles
- Web protection blocking malicious extensions
テレメトリ指標
- Chrome extension policy overrides
- Modified OpenWithProgids entries
It is often a gateway to more serious spyware or downloaders. Remove promptly and scan fully.