Microsoft Security Advisory (2506014): Update for the Windows Operating System Loader – Version: 1.0
Revision Note: V1.0 (April 12, 2011): Advisory published. Summary: Microsoft is announcing the availability of an update to winload.exe to address an issue in driver signing enforcement. While this is not an issue that would require a security update, this update addresses a method by which unsigned drivers could be loaded by winload.exe. This technique [...]
Ransomware posing as Microsoft
We’ve found yet another malware piece, this time it is a ransomware to take some of your money. Once you get infected (you can receive it in a number of different ways, most likely via spam messages and P2P), your computer is restarted. What for? Well, the malware installs itself to run every time your [...]
Microsoft Security Advisory (2506014): Update for the Windows Operating System Loader – 4/12/2011
Revision Note: V1.0 (April 12, 2011): Advisory published. Advisory Summary:Microsoft is announcing the availability of an update to winload.exe to address an issue in driver signing enforcement. While this is not an issue that would require a security update, this update addresses a method by which unsigned drivers could be loaded by winload.exe. This technique [...]
PandaLabs Quarterly Report Q1 2011
These first three months have witnessed some particularly intense virus activity and there have been a number of serious incidents during this period, such as: the largest single attack against Android cell phones, intensive use of Facebook to distribute malware, and an attack by the Anonymous hacktivist group against the HBGary Federal security firm. There [...]
Cybercriminals taking advantage of the Japanese earthquake
Yesterday we saw a message that promised to show you a video about the disaster after the earthquake and the tsunami. It included a link, that was an executable file: http://<>/consulado/japones/urgente/desespero-da-equipe-de-resgate-ao-encontrar-milhares-de-corpos-816283hDGJDj36378.youtube.com-AVI.exe This is just a downloader, that downloads and installs more malware in your computer. It also downloads a HOSTS file and overwrites in your [...]