Rootkits and Trojan Horses


In my opinion…. Root Kits and Trojans are the ultimate malware threat. They create access points into your computer for hackers to exploit and steal information, including personal information, bank account info etc…. Bad Juju indeed. Mostly these install deep in the OS where they are hard to find and sometimes they become the boss of your entire computer loading first even before windows does.

PC Sifu can hunt down these threats and remove them and repair the damage they have done.

A bit of information about these threats.
Rootkit – A rootkit is a stealthy type of software, typically malicious, designed to hide the existence of certain processes or programs from normal methods of detection and enable continued privileged access to a computer.[1] The term rootkit is a concatenation of “root” (the traditional name of the privileged account on Unix operating systems) and the word “kit” (which refers to the software components that implement the tool). The term “rootkit” has negative connotations through its association with malware.[1]

Rootkit installation can be automated, or an attacker can install it once they’ve obtained root or Administrator access. Obtaining this access is a result of direct attack on a system (i.e.), exploiting a known vulnerability (such as privilege escalation) or a password (obtained by cracking or social engineering). Once installed, it becomes possible to hide the intrusion as well as to maintain privileged access. The key is the root or Administrator access. Full control over a system means that existing software can be modified, including software that might otherwise be used to detect or circumvent it.

Rootkit detection is difficult because a rootkit may be able to subvert the software that is intended to find it. Detection methods include using an alternative and trusted operating system, behavioral-based methods, signature scanning, difference scanning, and memory dump analysis. Removal can be complicated or practically impossible, especially in cases where the rootkit resides in the kernel; re installation of the operating system may be the only available solution to the problem.[2] When dealing with firmware rootkits, removal may require hardware replacement, or specialized equipment.

Trojan Horse – A Trojan horse, or Trojan, in computing is a generally a non-self-replicating type of malware program containing malicious code that, when executed, carries out actions determined by the nature of the Trojan, typically causing loss or theft of data, and possible system harm. The term is derived from the story of the wooden horse used to trick defenders of Troy into taking concealed warriors into their city in ancient Anatolia, because computer Trojans often employ a form of social engineering, presenting themselves as routine, useful, or interesting in order to persuade victims to install them on their computers.

A Trojan often acts as a backdoor, contacting a controller which can then have unauthorized access to the affected computer.[6] While Trojans and backdoors are not easily detectable by themselves, computers may appear to run slower due to heavy processor or network usage. Malicious programs are classified as Trojans if they do not attempt to inject themselves into other files (computer virus) or otherwise propagate themselves (worm).[7] A computer may host a Trojan via a malicious program that a user is duped into executing (often an e-mail attachment disguised to be unsuspicious, e.g., a routine form to be filled in), or by drive-by download.

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