This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Just got a 'Mozilla' security alert on the PC, and something started a system scan.. IS THIS A TROGAN ATTACK ? I forced power down and system restore before coming here

  • 3 cavab
  • 90 have this problem
  • 1 view
  • Last reply by Svetlana

more options

Repeat. Just got a 'Mozilla' security alert on the PC, and something started a system scan.. IS THIS A TROJAN ATTACK ? I forced a power down and did system restore before coming here. I will run Ccleaner when I leave this site. I have NEVER seen any Mozilla alert or mention of any system scan from Firefox. I have seen Trojan Hijacks, and deal with friends PC's for them, this looked similar.

Repeat. Just got a 'Mozilla' security alert on the PC, and something started a system scan.. IS THIS A TROJAN ATTACK ? I forced a power down and did system restore before coming here. I will run Ccleaner when I leave this site. I have NEVER seen any Mozilla alert or mention of any system scan from Firefox. I have seen Trojan Hijacks, and deal with friends PC's for them, this looked similar.

Chosen solution

The issue seems to have been resolved.

nothedoctor,please close the thread so that 'solution chosen by....' line appears below the first post.

Read this answer in context 👍 5

All Replies (3)

more options

Modified by Svetlana

more options

Thank You for confirming my suspicions on this. As I don't run any Anti-Virus (no paranoia) It is not a system problem, and I learned the hard way about 3 years ago. The almost sure cure is a FORCED POWER DOWN, and never do any clicks while these fake alerts are active. I am an Admin on a discussion forum so have some idea about PC controls. NEVER have had a real virus in any PC since going online in 1978 with a PET.

FireFox rocks..

more options

Seçilmiş Həll

The issue seems to have been resolved.

nothedoctor,please close the thread so that 'solution chosen by....' line appears below the first post.