On a computer that is running Microsoft Windows 2000, Microsoft Windows XP, or Microsoft Windows Server 2003, you may experience the following symptoms:
- The home page in Internet Explorer is reset to
- Microsoft Windows Defender unexpectedly quits.
This problem may occur because your computer is infected by
the TrojanSpy:Win32/Banker Trojan horse program.
Most antivirus software can detect and prevent infection by malicious software. To work around this problem, run antivirus software that is updated with the latest signature files. Then, reinstall Microsoft Windows Defender.
When this problem occurs, TrojanSpy:Win32/Banker takes the following actions:
TrojanSpy:Win32/Banker is installed in Internet Explorer as a
Browser Helper Object.
To automatically help
protect your computer from infection, always run antivirus software that uses the latest signature files. To help make
sure your computer is protected against present and future
threats, visit the following Microsoft Web site:
for other considerations.