Content
Downloader-BAI.sys.gen
- Type
- Trojan
- SubType
- Downloader
- Discovery Date
- 01/22/2007
- Length
- 12,588
- Minimum DAT
- 4944 (01/22/2007)
- Updated DAT
- 5005 (04/10/2007)
- Minimum Engine
- 5.1.00
- Description Added
- 01/22/2007
- Description Modified
- 02/14/2007 6:15 AM (PT)
Tab Navigation
Characteristics
This detection is part of Downloader-BAI. Please refer to that vil description for more details.
System Changes
Registry
The following registry keys are created:* hkey_local_machine\system\currentcontrolset\services\wincom32 \imagepath="\??\%SYSTEMDIR%\wincom32.sys"
* hkey_local_machine\system\currentcontrolset\services\wincom32 \security\security="(binary registry data)
* hkey_local_machine\system\currentcontrolset\services\wincom32\errorcontrol="1"
* hkey_local_machine\system\currentcontrolset\services\wincom32\type="1"
* hkey_local_machine\system\currentcontrolset\services\wincom32\start="2"
* hkey_local_machine\system\currentcontrolset\services\wincom32\displayname="wincom32"
* hkey_local_machine\system\currentcontrolset\services\wincom32
* hkey_local_machine\system\currentcontrolset\services\wincom32\security
The .sys file is a device driver which performs network communication which prevents outgoing network traffic from being detected.
Symptoms
This detection is part of Downloader-BAI. Please refer to that vil description for more details.
This downloader drops W32/Nuwar@MM. It also downloads W32/Nuwar@MM., Downloader-ZQ, Uploader-AF, Spam-Mailbot,
Method of Infection
Downloaders are not viruses, and as such do not themselves contain any method to replicate. However they may themselves be downloaded by other viruses and/or Trojans to be installed on the user's system.
Many of these additionally are mass spammed by the author to entice people into double-clicking on them.
Alternatively they may be installed by visiting a malicious web page (either by clicking on a link, or by the website hosting a scripted exploit which installs the Downloader onto the user's system with no user interaction.
Removal
A combination of the latest DATs and the Engine will be able to detect and remove this threat. AVERT recommends users not to trust seemingly familiar or safe file icons, particularly when received via P2P clients, IRC, email or other media where users can share files.
Variants
Variants
N/A
All Information
Overview -
This detection is part of Downloader-BAI. Please refer to that vil description for more details.Characteristics
Characteristics -
This detection is part of Downloader-BAI. Please refer to that vil description for more details.
System Changes
Registry
The following registry keys are created:* hkey_local_machine\system\currentcontrolset\services\wincom32 \imagepath="\??\%SYSTEMDIR%\wincom32.sys"
* hkey_local_machine\system\currentcontrolset\services\wincom32 \security\security="(binary registry data)
* hkey_local_machine\system\currentcontrolset\services\wincom32\errorcontrol="1"
* hkey_local_machine\system\currentcontrolset\services\wincom32\type="1"
* hkey_local_machine\system\currentcontrolset\services\wincom32\start="2"
* hkey_local_machine\system\currentcontrolset\services\wincom32\displayname="wincom32"
* hkey_local_machine\system\currentcontrolset\services\wincom32
* hkey_local_machine\system\currentcontrolset\services\wincom32\security
The .sys file is a device driver which performs network communication which prevents outgoing network traffic from being detected.
Symptoms
Symptoms -
This detection is part of Downloader-BAI. Please refer to that vil description for more details.
This downloader drops W32/Nuwar@MM. It also downloads W32/Nuwar@MM., Downloader-ZQ, Uploader-AF, Spam-Mailbot,
Method of Infection
Method of Infection -
Downloaders are not viruses, and as such do not themselves contain any method to replicate. However they may themselves be downloaded by other viruses and/or Trojans to be installed on the user's system.
Many of these additionally are mass spammed by the author to entice people into double-clicking on them.
Alternatively they may be installed by visiting a malicious web page (either by clicking on a link, or by the website hosting a scripted exploit which installs the Downloader onto the user's system with no user interaction.
Removal -
Removal -
A combination of the latest DATs and the Engine will be able to detect and remove this threat. AVERT recommends users not to trust seemingly familiar or safe file icons, particularly when received via P2P clients, IRC, email or other media where users can share files.
Additional Windows ME/XP removal considerations
Variants
Variants -
N/A
