This type of trojan secretly downloads malicious files from a remote server, then installs and executes the files.
Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.
More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.
You may also refer to the Knowledge Base on the F-Secure Community site for more information.
Trojan-Downloader:W32/Lipler.gen is the Generic Detection of an unsigned installer program that comes packaged together with such programs as Live-Player and Speed-Downloading. Packaging the installer this way is sometimes used to avoid detection of an unwanted program by the user. Upon installation, the installer will download a file from this server:
and drop the files mainly on the following folders:
It will also change the web browser's starting page. The installer has support for various major languages.
The following is an example of the installer's activities, based on one of the samples submitted.The trojan-downloader downloads files from:
The installer then installs the files on the system, using the following name format:
The installer then makes the following registry changes: