Worm.Win32.AUTORUN.IOS
Worm.Win32.AutoRun.emc (KASPERSKY)
Windows
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Installation
This Worm drops the following copies of itself into the affected system:
- %System%\ssmicrco.scr
- %System%\notepod.exe
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It drops the following files:
- %System%\dx6vcl.dll
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
It adds the following processes:
- %System%\rundll32.exe "%System%\WININET.dll", DispatchAPICall 1
(Note: %System% is the Windows system folder, where it usually is C:\Windows\System32 on all Windows operating system versions.)
Other System Modifications
This Worm adds the following registry keys as part of its installation routine:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components
{{32 Random Alphanumeric Value}} =
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\notepod.exe
shell =
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications
notepod.exe =
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\notepod.exe\shell
open =
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\notepod.exe\shell\
open
command =
HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications
notepod.exe =
HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\
notepod.exe
shell =
HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\
notepod.exe\shell
open =
HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\
notepod.exe\shell\open
command =
It also creates the following registry entry(ies) as part of its installation routine:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components\{{32 Random Numeric Value}}
(Default) = sys info
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Active Setup\Installed Components\{{32 Random Numeric Value}}
stubpath = %System%\ssmicrco.scr
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Applications\notepod.exe\shell\
open\command
(Default) = "%System%\notepod.exe" "%1"
HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\
notepod.exe\shell\open\
command
(Default) = "%System%\notepod.exe" "%1"
HKEY_USERS\Software\Microsoft\
Windows\CurrentVersion\Explorer\
FileExts\.txt
Application = notepod.exe
Other Details
This Worm connects to the following possibly malicious URL:
- http://www.{BLOCKED}b.com/down/www.rar
However, as of this writing, the said sites are inaccessible.
SOLUTION
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{{32 Random Numeric Value}}
- (Default) = sys info
- (Default) = sys info
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{{32 Random Numeric Value}}
- stubpath = %System%\ssmicrco.scr
- stubpath = %System%\ssmicrco.scr
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\notepod.exe\shell\open\command
- (Default) = %System%\notepod.exe %1
- (Default) = %System%\notepod.exe %1
- In HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\notepod.exe\shell\open\command
- (Default) = %System%\notepod.exe %1
- (Default) = %System%\notepod.exe %1
- In HKEY_USERS\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.txt
- Application = notepod.exe
- Application = notepod.exe
Step 4
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry. Before you could do this, you must restart in Safe Mode. For instructions on how to do this, you may refer to this page If the preceding step requires you to restart in safe mode, you may proceed to edit the system registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components
- {{32 Random Alphanumeric Value}}
- {{32 Random Alphanumeric Value}}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\notepod.exe\shell\open
- command
- command
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\notepod.exe\shell
- open
- open
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications\notepod.exe
- shell
- shell
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Applications
- notepod.exe
- notepod.exe
- In HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\notepod.exe\shell\open
- command
- command
- In HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\notepod.exe\shell
- open
- open
- In HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications\notepod.exe
- shell
- shell
- In HKEY_USERS\S-{38 Random Numeric Value}_CLASSES\Applications
- notepod.exe
- notepod.exe
Step 5
Search and delete this file
- %System%\ssmicrco.scr
- %System%\notepod.exe
- %System%\dx6vcl.dll
Step 6
Scan your computer with your Trend Micro product to delete files detected as Worm.Win32.AUTORUN.IOS. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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