What's IstBar.Trojan-Downloader?
IstBar.Trojan-Downloader is a trojan downloader that injects itself and drops damaging programs onto the infected local or network computer. Inside the system IstBar trojan will inject damaging istdownload.exe files and activate unwanted pop-ups ads. IstBar.Trojan-Downloader is usually spread via questionable pornographic websites, file-sharing multimedia downloads or spam emails. The IstBar.Trojan-Downloader is a high security threat that can steal confidential data and damage local and network computers.
Trojan-Downloader alias vulnerabilities: Trojan-Downloader.Win32.IstBar.gen, TROJ_ISTBAR.CD, Trojan.ISTbar
Possible IstBar.Trojan-Downloader indications:
- Common pop up blockers can't block irritating adult related popup ads
- Strange Trojan-Downloader task processes running in Windows task list, unusual error beeps from Computer tower
- Trojan-Downloader re-creates itself after manual removal, particularly complicated to eliminate
- Altered wallpaper and desktop settings, strange system tray icons and desktop shortcuts
- Dramatically slow surfing speed and general system speed problems
- "Blue Screen Of Death" error caused by corrupt registry keys, dll's and system files
- Search engine results and browser home page hijacked by unusual website
Behaviors of IstBar.Trojan-Downloader:
- Trojan-Downloader floods Windows system with mischievous trojan horses, adware and spyware files via browser security holes
- Trojan-Downloader avoids firewall, antimalware and other security tools and sends system information, passwords, keystrokes and other information to outlying hackers
- Watches system registry, creates popups equivalent surfing activity
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