Two new Trojan-Downloaders were seeded early this morning. Both downloaders were sent in e-mails that looked like this:
Subject: Spam report
Your e-mail account was used to send a huge amount of unsolicited spam messages during the recent week. If you could please take 5-10 minutes out of your online experience and confirm the attached document so you will not run into any future problems with the online service.
If you choose to ignore our request, you leave us no choice but to cancel your membership.
Virtually yours, Network Administrator Team
Attachment: report.log.exe
The difference between the two downloaders is that they download additional malicious components (keylogger and backdoor) from two different webservers. F-Secure detects the downloaders and the additional components with update [2005-07-07_03].