These are programs designed to hide objects, such as processes,
files or Windows Registry entries. This type of software is not
malicious in itself, but is used by malware creators to cover
their tracks in infected systems. There are types of malware
that use rootkits to hide their presence on a system. In 2005,
the first examples of malware that used rootkits (as external
tools or techniques within its code) emerged in order to evade
detection. Bots, adware and spyware added these characteristics
to their own, a trend that has continued to increase. Similarly,
these programs go hand-in-glove with the new cyber-crime malware
dynamic: for malware to be exploited for financial gain, stealth
is vitally important. Rootkits enable malware to remain hidden
on a computer for much longer without being detected. This is a
technique or program that exploits a security flaw -a
vulnerability- in a certain communication protocol, operating
system or IT tool. This flaw allows operations that can cause
abnormal functioning