If your site has been infected, it is usually because some vulnerability allowed an attacker to take control of your site. Hacker may change the content of the site (for example, to add spam) or add additional pages in your site, usually with the intent of phishing (tricking users into parting with personal and credit card information). In addition, they may inject malicious code (malware) — such as scripts or iFrames that pull content from another Web site that tries to attack any computer that views the page.
The term "malware" covers all types of malicious software designed to harm your computer or network. Types of malware include (but are not limited to) viruses, worms, spyware and Trojans. After having been hacked site or computer can be used to host malicious content such as phishing sites (sites designed to trick users into parting with personal and credit card information). Some hackers may even take administrative control over website hacked.
If your site is listed as malicious software Google or another provider StopBadware data, follow these steps.
Your site may have badware, even if you don't know!
Read the detailed guide for cleaning & securing your Web site.
After cleaning up your site, scan it with the following free tool to make sure you haven't missed anything.
1. Google Diagnostics
http://www.Google.com/SafeBrowsing/Diagnostic? site = http://yourdomain
2. Unmask parasites
Security check
3. Rex Swain'S HTTP Viewer
See exactly what an HTTP request returns to your browser
http://www.rexswain.com/httpview.HTML
4. Sucuri SiteCheck
Completely free and open, check a few pages for malware, spam and defacing.
http://sitecheck.sucuri.NET/Scanner/
5. Services and tools to analyze malicious URLs
6. soswebscan
soswebscan is a free online website scanner to detect iframe badwares.
http://soswebscan.com
Crawl your site and everything looks clean. The time has come for its revision.
If Google is the only provider of data, list your site:
You can request an automated review via Google Webmaster Tools. This is the quickest way to get your site removed from Google's list.
To request a review through StopBadware, find your site in our badware website of the Centre. Then click "Request an independent review of the findings of the" data providers. Fill out and submit the form.
If your site is infected: how to clean up a hacked site infection prevention: best practices for avoiding infection in futureRequesting review nocuous programs: once you are sure that all the spam and malicious code has been removed, you can ask Google for its consideration. Google will check your site and if you now pure, removes any warning label that appears in your site's listing on the search results page.