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Parasites

Different types of malware are nothing but digital parasites that spread via the internet and settle themselves inside a computer to eventually damage or disrupt a system. No matter how well protected you believe your PC is, it’s potentially vulnerable to “contamination”. Unfortunately, statistics are pretty sad. Millions of computers worldwide are known to be less or more severely “infected”. One of the most dangerous things about malware is the fact that you may never know how and when it penetrates into your computer. Moreover, you may even be unaware that you have it at all.

Let us list and describe some of the most widespread malware types:

Adware is a term comprising applications that display advertising banners on Web browsers such as Internet Explorer and Mozilla Firefox. Adware programs often behave in an aggressive manner by producing unwanted effects on a system, such as persistent and annoying pop-ups and the general deterioration in either network connection or system performance. Adware programs are mostly installed as separate applications that are accompanied with certain free software. Many users inadvertently agree to install adware by accepting the End User License Agreement (EULA) on the free software. Adware are often installed together with spyware programs. Both programs often tend to apply each other’s functionalities - spyware applications monitor users’ Internet behavior, while adware programs generate targeted ads that correspond to the gathered user profile.

Browser Hijackers are cyber trespassers that specialize in capturing victims’ web browsers to subsequently ensure hits to pre-determined unsafe websites. Browser hijackers are known to be often applied by rogue anti-spyware applications to promote themselves and thus achieve sales of their so-called ‘licensed’ software. The infiltration of hijackers is mostly implemented through affiliated trojans that make it successfully inside host systems.

Fake Security Programs are programs pretending to be system optimization tools but are in fact malware aiming to get some money out of unsuspecting victims. Fake Security Programs are mostly promoted through online advertisements or via affiliated Trojans that display bogus system security alerts. Fake Security Programs are usually marketed as software that cleans and optimizes files arrangement and system registry to ensure higher system performance and its speed up. The ultimate goal of such malware applications is to get users to pay for their useless ‘commercial’ software. In addition, Fake Security Programs may contribute to further system disordering.

Rogue Anti-Spyware is software aimed at forcing computer users into paying for removal of not existing spyware. Rogue anti-spyware programs usually manifest themselves through Windows dialog boxes that display messages such as “Warning! You computer is infected with spyware! Buy [software name] to remove it!”. In this case, clicking the OK button (or sometimes – even the upper right-hand X button) will automatically direct the user to a malicious site, which is likely to download more malware. Some rogue anti-spyware may even automatically install the trial version without any user action.

Security Alerts are external manifestation, or “side effects”, of the malicious activity of rogue anti-spyware programs resident on the compromised computer. Typically, security alerts are issued by Trojans that accompany fake anti-spywares. Security alerts always state there is something wrong with the system and suggest a cure, which is the paid commercial version of the promoted rogue. Even though security alerts cannot be considered separate malware programs by themselves, they are extremely annoying and definitely unwanted on any computer. In addition, security alerts testify to the presence of dangerous rogue on the PC, so a timely scan would be advised.

Spyware is a type of software aimed at tracking down one’s Web surfing habits (mostly for marketing purposes). Spyware sends this information to its creator or to other interested parties when the computer is online. Spyware often gets installed with items identified as “free downloads” and does not notify the user of its existence or ask for consent to download the components. The data spyware components collect can include user keystrokes, which means that private information such as login names, passwords, and credit card numbers are exposed to theft. Spyware gathers information, such as account user names, passwords, credit card numbers, and other strictly confidential data, and redirects it to third parties. The consequences of spyware’s activity inside your computer are not limited by probable system disruption - it’s also very likely to negatively affect your welfare.

Toolbars are malicious applications that pretend to be useful tools for facilitating numerous computer-related activities. Malicious Toolbars are mostly marketed as utilities for facilitating the web search. In fact, though, these programs often indulge in browsers hijacking activities and may even spy on the unsuspecting victims’ private data. Toolbars may appear either without users’ consent, or may get installed on some insecure websites of doubtful origin. These dangerous digital organisms often compromise PC users’ privacy and may as well open backdoors for other outer threats to get inside.

Trojan Horses are seemingly primitive but extremely hazardous PC intruders. Trojans almost always get ‘on board’ without even a hint of computer users’ knowledge or, moreover, consent. These nasty parasites can skilfully detect and exploit the vulnerabilities in systems’ firewalls and thus bypass authentication barriers remaining absolutely undetected. One can tell a Trojan in the system only by its symptoms triggered upon infiltration. Trojan Horses are capable of generating fake system alerts frequently used by rogue anti-spywares to scare users into thinking their machines are infected (these are mostly the so-called Vundo Trojans). Trojans are known to promote other parasites into contaminated systems.

Worms are primitive self-replicating digital programs. Worms are known to be capable of sending copies of themselves to multiple machines thus spreading very dynamically throughout networks. Worms mostly affect networks capacities by consuming the bandwidth. These cyber contaminants may modify or erase files on a host computer. Worms are often controlled from the outside by remove hackers who use them mostly for collecting computer users’ private data and for tracking down their surfing preferences. If not removed, computer worms can cause major system disruption.

The descriptions above include the malware types that are most widespread and are more than likely to be detected on your PC if it is infected. It’s also important to know that malware applications are very frequently ‘cooperating’ to arrive at their malicious goals, that’s why in case of detection of some infection ‘on board’ it is strongly recommended to additionally perform a system scan with a trusted utility to check whether any other affiliated malware is still hiding in your cyber environment

No matter what kind of malware you have to deal with, Remove Malware team knows what needs to be done in each individual case. You can find more information concerning our latest malware removers on the ‘Software’ bookmark.