Push Trojan

Removing Push
Categories: Trojan,BHO,Backdoor,Toolbar,Downloader,DoS
This loose category includes a variety of Trojans that damage victim machines or threaten data integrity, or impair the functioning of the victim machine.

Multi-purpose Trojans are also included in this group, as some virus writers create multi-functional Trojans rather than Trojan packs.
BHO (Browser Helper Object) Trojan. The BHO waits for the user to post personal information to a monitored website. As this information is entered by the user, it is captured by the BHO and sent back to the attacker. The method of network transport used by the attacker makes this Trojan unique. Typically, keyloggers of this type will send the stolen information back to the attacker via email or HTTP POST, which can appear suspicious. Instead, this Trojan encodes the data with a simple XOR algorithm before placing it into the data section of an ICMP ping packet." explained the company.
Backdoors are the most dangerous type of Trojans and the most popular. Backdoors open infected machines to external control via Internet. They function in the same way as legal remote administration programs used by system administrators. This makes them difficult to detect.

Backdoors are installed and launched without the consent of the user of computer. Often the backdoor will not be visible in the log of active programs.

Once a backdoor has been successfully launched, the computer is wide open. Backdoor functions can include:

• Launching/ deleting files


• Sending/ receiving files


• Deleting data


• Displaying notification


• Rebooting the machine


• Executing files

Backdoors are used by virus writers to detect and download confidential information, execute malicious code, destroy data, include the machine in bot networks and so forth. Backdoors combine the functionality of most other types of in one package.


Backdoors have one especially dangerous sub-class: variants that can propagate like worms.
Toolbar presents itself as a helpful add-on for Internet Explorer but it is a real pest. It replaces your start page, continuosly open a number of pop up windows and so on.
This family of Trojans downloads and installs new malware or adware on the computer. The downloader then either launches the new malware or registers it to enable autorun according to the local operating system requirements.

The names and locations of malware to be downloaded are either coded into the Trojan or downloaded from a specified website.
These programs attack web servers by sending numerous requests to the specified server, often causing it to crash under an excessive volume of requests.

DoS trojans conduct such attacks from a single computer with the consent of the user.

Worms can carry a DoS procedure as part of their payload.

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Push Also known as:

[Kaspersky]Trojan.Win32.Icqpush.b,Trojan.Push,Pusher.374;
[McAfee]PUSH;
[F-Prot]destructive program;
[Panda]Trj/Spider,Pusher.739.Drp;
[Computer Associates]Optimizer!Trojan

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Visible Symptoms:
Files in system folders:
[%SYSTEM%]\searchv2.dll
[%WINDOWS%]\system\searchv2.dll
[%SYSTEM%]\searchv2.dll
[%WINDOWS%]\system\searchv2.dll

How to detect Push:

Files:
[%SYSTEM%]\searchv2.dll
[%WINDOWS%]\system\searchv2.dll
[%SYSTEM%]\searchv2.dll
[%WINDOWS%]\system\searchv2.dll

Registry Keys:
HKEY_CLASSES_ROOT\clsid\{4e7bd74f-2b8d-469e-a0e8-f76fa694bf2e}
HKEY_CLASSES_ROOT\software\microsoft\windows\currentversion\explorer\browser helper objects\{4e7bd74f-2b8d-469e-a0e8-f76fa694bf2e}
HKEY_LOCAL_MACHINE\software\classes\clsid\{4e7bd74f-2b8d-469e-a0e8-f76fa694bf2e}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{4e7bd74f-2b8d-469e-a0e8-f76fa694bf2e}

Removing Push:

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