There are several ways which your PC may be infected:
1) Clicking on buttons on the site which activates malicious scripts, including Scareware windows.
2) Trojans, virus or spyware hidden in the software cracks, or keygen.
3) Trojans, virus, or spyware hidden in attachments of emails, and this include pictures.
1) Clicking on buttons on the site which activates malicious scripts, including Scareware windows.
2) Trojans, virus or spyware hidden in the software cracks, or keygen.
3) Trojans, virus, or spyware hidden in attachments of emails, and this include pictures.