Content
W32/Autorun.worm.h
- Type
- Virus
- SubType
- Worm
- Discovery Date
- 07/05/2007
- Length
- varies
- Minimum DAT
- 5068 (07/05/2007)
- Updated DAT
- 5807 (11/19/2009)
- Minimum Engine
- 5.1.00
- Description Added
- 07/05/2007
- Description Modified
- 11/11/2009 12:42 AM (PT)
Tab Navigation
Characteristics
-----Update november 11, 2009-------- File Information This worm copies itself to a hidden folder called \RESTORE\k-1-3542-4232123213-7676767-8888886\ on drive C and connected external drives, and also creates an autorun.inf file on the external drives. It adds the following registry entries. It drops the following files: [Where %External Drive% is the drive letter of the External Storage Devices (e.g. USB stick, Flash drive, Pen Drive etc..)] ------------------------------------------------ This detection is for a worm.It attempts to spread to removable drives by creating an autorun.inf file, which will run the worm automatically, if a systems which use the removable drive are set to Autorun. The following registry keys are created: The following files are written to root of writeable volumes: The following files are also written to the infected system:
"comstr"="\"C:\\WINDOWS\\system32\\comstr.exe\""
Symptoms
Existence of mentioned files and registry keys.
Method of Infection
This worm may be spread by its intented method of infected removable drives. Alternatively this 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 worm onto the user's system with no user interaction.
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).
Variants
Variants
N/A
All Information
Overview -
This detection is for a worm that attempts to copy itself to the root of any accessible disk volumes. Additionally it attempts to place an Autorun.inf file on the root of the volume so that it is executed the next time the volume is mounted.
Characteristics
Characteristics -
-----Update november 11, 2009-------- File Information This worm copies itself to a hidden folder called \RESTORE\k-1-3542-4232123213-7676767-8888886\ on drive C and connected external drives, and also creates an autorun.inf file on the external drives. It adds the following registry entries. It drops the following files: [Where %External Drive% is the drive letter of the External Storage Devices (e.g. USB stick, Flash drive, Pen Drive etc..)] ------------------------------------------------ This detection is for a worm.It attempts to spread to removable drives by creating an autorun.inf file, which will run the worm automatically, if a systems which use the removable drive are set to Autorun. The following registry keys are created: The following files are written to root of writeable volumes: The following files are also written to the infected system:
"comstr"="\"C:\\WINDOWS\\system32\\comstr.exe\""
Symptoms
Symptoms -
Existence of mentioned files and registry keys.
Method of Infection
Method of Infection -
This worm may be spread by its intented method of infected removable drives. Alternatively this 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 worm onto the user's system with no user interaction.
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