With a booming of spreading malicious files these days, users need to be careful on checking e-mails especially from uncertain user.
2. Spreading path and symptoms of infection
Kneber botnet has been figured out sent from White House as following.
Censored area is the URL for download, and it induces to click.
Also, some of cases trying to spread with using Christmas are reported.
Upon infected, various information including online banking information and account information can be leaked.
Furthermore, it can send SPAM mail through collected e-mail address and instant messnger account for re-sending malicious mail.
3. How to prevent
We always have to be careful on social engineering technique.
To use PC safely from security threats of these malicious files, we recommend following "Security management tips" for general users.
INCA Internet (Security Response Center / Emergency Response Team) provides diagnosis/treatment function with nProtect Anti-Virus/Spyware for detecting such as malicious file stated above and runs responding system against various security threats.