from the dash to search for new packages and install them.
Trend Micro, one of the companies involved in spotting the issue, said that the vulnerability was found to be spreading what's been called the "Locky ransomware." Ransomware is a type of malware (malicious software) that essentially holds a victim's computer hostage.
The attacker typically blocks off access to the system until a sum of money is paid over the Internet.
These adware programs are bundled with other free software that you download off of the Internet.
Unfortunately, some free downloads do not adequately disclose that other software will also be installed and you may find that you have installed adware without your knowledge.
Here is a description to test and change the repository server.