Content

Downloader-QU

Type
Trojan
SubType
Downloader
Discovery Date
10/12/2004
Length
36864
Minimum DAT
4398 (10/13/2004)
Updated DAT
4688 (02/02/2006)
Minimum Engine
5.1.00
Description Added
10/12/2004
Description Modified
10/12/2004 7:07 AM (PT)
Risk Assessment
Corporate User
Low
Home User
Low

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Characteristics

This trojan connects to a webside and downloads an html file which is then executes.

At the time of this writing the downloaded file contains a VB Script that is detected as VBS/Inor. This html file drops and installs in HKLM\Software\Microsoft\Windows\CurrentVersion\Run "Explorer" a joke program.

Symptoms

N/A

Method of Infection

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, SPAM email, etc.

Removal

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

Additional Windows ME/XP removal considerations

Variants

Variants

    N/A

All Information

Overview -

This is a trojan detection. Unlike viruses, trojans do not self-replicate. They are spread manually, often under the premise that they are beneficial or wanted. The most common installation methods involve system or security exploitation, and unsuspecting users manually executing unknown programs. Distribution channels include email, malicious or hacked web pages, Internet Relay Chat (IRC), peer-to-peer networks, etc.

Characteristics

Characteristics -

This trojan connects to a webside and downloads an html file which is then executes.

At the time of this writing the downloaded file contains a VB Script that is detected as VBS/Inor. This html file drops and installs in HKLM\Software\Microsoft\Windows\CurrentVersion\Run "Explorer" a joke program.

Symptoms

Symptoms -

N/A

Method of Infection

Method of Infection -

Trojans do not self-replicate. They are spread manually, often under the premise that the executable is something beneficial. Distribution channels include IRC, peer-to-peer networks, newsgroup postings, SPAM email, etc.

Removal -

Removal -

All Users:
Use current engine and DAT files for detection and removal.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

Additional Windows ME/XP removal considerations

Variants

Variants -

    N/A