Trojans are computer virus that can convey through various methods and usually using Internet connection and compromised files. Most Trojans can be detected by security programs like Anti-virus and Anti-malware. However, there are still some Trojans that can conceal their presence by exploiting vulnerabilities on the operating system.


Trojan:Win32/MpTamperSrvDisableDiagTrack.A is a harmful Trojan that can allow a remote attacker to access the computer through backdoor channel. This threat may spread on removable drives as well as risky file-sharing networks, also known as peer-to-peer connection.

Win32:Zorex-A [Wrm]

Win32:Zorex-A [Wrm] is a computer worm that deploys via removable media devices such as USB drives and external hard drives. Once it is present on the PC, it can allow a remote attacker to access the infected system through a backdoor port. Win32:Zorex-A [Wrm] can also further endanger the infected computer when it contact a …

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Backdoor:Win32/Bladabindi!ml is Microsoft Defender Antivirus definition for a malware that is a variant of Bladabindi family of Trojan. This particular version can allow a remote attacker to gain control of the infected computer through backdoor. The Trojan frequently communicates to a remote server to download other malware that it can drop and execute on victim’s …

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When Microsoft Security Essentials or Windows Defender pop-up a warning regarding the detection of PUA:Win32/PiriformBundler, this means that the computer is infected with a potentially undesirable program (PUP).


HTML:Scam-HQ is a Trojan horse created specifically for spamming email inboxes. If it is run, HTML:Scam-HQxxxx will edit the system log and add as a system service to run automatically when Windows is started.


TrojanDownloader:HTML/Adodb.gen!A is a common virus detection process to identify malicious script file. This threat aims on infecting the computer by exploiting the vulnerability in Microsoft Data Access Components that will give way for the execution of the virus.


HackTool:BAT/AutoKMS!MSR is a Trojan designed to drop a copy of malicious batch files and autorun files. HackTool:BAT/AutoKMS!MSR will replace loading of several application own code to gain control of the infected computer.


PUA:Win32/Pentutil is a detection of a potentially unwanted program (PUP) that may negatively impact the computer when installed. Typically, programs detected as PUA:Win32/Pentutil are applications that are embedded with legitimate software.


PUA:Win32/Packunwan is a malware detection that operates on computer and even network environment. Software detected with this alias has poor reputation and therefore, computer security experts do not advise the installation or if so, removal is highly recommended. PUA:Win32/Packunwan is a potential undesirable application that can install an additional threat from a remote server or …

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PUA:Win32/Adsunwan is a generic detection of malicious code which may be installed onto the computer by another threat. It may be as a browser hijacker, pop-up ads, toolbar, or undesirable browser add-on and extension. Usually, PUA:Win32/Adsunwan are not as dangerous as the virus, but it can be so boring once installed on the computer.