Gumblar malware is active again
Malware hijacks Google searches to infect PCs
ScanSafe researchers are seeing renewed activity regarding Gumblar, a multifunctional piece of malware that spreads by attacking PCs visiting hacked Web pages. Gumblar can steal FTP credentials as well as hijack Google searches, replacing results on infected computers with links to other malicious sites.
When the Gumblar malware was found in March, it looked for instructions on a server at gumblar.cn. That domain was taken offline at the time, but has been reactivated within the last 24 hours, wrote Mary Landesman, a senior security researcher with ScanSafe, on a company blog.
Websites that are infected with Gumblar contain an iframe, which is a way to bring content from one Web site into another. Malware writers usually make those iframes invisible. When a victim visits the site, the iframe will launch a series of exploits hosted on a remote computer to try and hack the visiting machine.
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