Virus Characteristics
This threat is detected as W97M/Pica.worm.gen. On executing the infected VBScript, the following message will be displayed:
The following registry keys will be added:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\
Run "AlphA", c:\Program Files\EuroAlph@.html.vbs
- HKEY_LOCAL_MACHINE\Infected\With "Author",EuroAlph@
- HKEY_LOCAL_MACHINE\Infected\With "Name" ,ALPH@
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
Run"(Default)", c:\windows\system32\EuroAlph@.html.vbs
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
Run"Alpha", wscript.exe C:\WINDOWS\SYSTEM\EuroAlph@.html.vbs %
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
Run"Soundz", c:\windows\Profiles\Euro.mp3
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
RunServices" (Default)" c:\windows\EuroAlph@.html.scr.vbs
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
RunServices "Alpha" c:\windows\temp\EuroAlph@.html.vbs
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\
RunServices "JotaPeg" C:\Windows\WinStart.batvbhide
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main "Start Page"
http:\\www.angelfire.com\empire\2013\ergot.html
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion
"RegisteredOrganization", MOUSE
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion
"RegisteredOwner", Alph@
The virus will then copy itself as EuroAlph@.html.vbs into the following directories:
- C:\
- c:\Program Files
- c:\windows\system32
- c:\windows\temp
- c:\windows\system
- c:\my documents
- c:\windows\desktop
- c:\WINDOWS\Start Menu\Programs\StartUp
- c:\windows\EuroAlph@.html.scr.vbs
The file !EURO!$!!!!!!!!!ALPHA!!!!!!!!!!.txt will be created in the following directories:
- c:\
- c:\windows\desktop
- c:\my documents
The file is then displayed:
VBS/Alphae will also infect c:\mirc\script.ini to send itself through mIRC. This file is detected as IRC/Generic. The virus also attempts to email itself using Outlook to all in addresslist with the following information:
- Subject: One Year Later>WTC
- Body: World Trade Center>ScreenSaverMemoirs
- Attachment: EuroAlph@.html.scr.vbs
Spreading through Outlook was not observed during testing in the VirusLab.
The virus will drop SystemCal.exe in the windows directory. This file is detected as Wobbling joke application.
On the 1st, 5th, 9th, 13th, 15th, 22nd or 31st of any month, the virus will display the following picture:
On the 1st of any month the following registry keys will be added:
- "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
RegisteredOwner" "(MOTHERFUCKER)"
- "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
RegisteredOrganization "EuroAlph@"
- HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoClose,"1"
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Winlogon\
DefaultPassword","alpha"
- HKEY_USERS\.DEFAULT\Control Panel\Desktop\ScreenSaveUsePassword","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoInternetIcon,"1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoControlPanel","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoSMMyDocs","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoSMHelp","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoFavoritesMenu","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoRecentDocsMenu","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoBrowserClose","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoBrowserOptions","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoBrowserSaveAs","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoFileMenu","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoTheaterMode","1"
- HKEY_CURRENT_USER\Software\Policies\Microsoft\InternetExplorer\
Restrictions\NoBrowserContextMenu","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoSetFolders","1"
- HKEY_LOCAL_MACHINE\Network\Logon\Username","EURO"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoNetHood","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\Clearrecentdocsonexit","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoDesktop","1"
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Explorer\NoClose","1"
And executes the file SystemCal.exe.
If day is 25th of any month, the virus will create the file c:\Windows\WinStart.bat which is detected as Smog trojan, and the picture c:\ALPHA.JPG. The virus will edit the registry to display alpha.jpg as desktop wallpaper. The following registry keys will be modified:
- HKEY_CURRENT_USER\Control Panel\Desktop "TileWallpaper", 1
- HKEY_CURRENT_USER\Control Panel\Desktop "wallpaper",C:\AlphA.jpg
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\General
"BackupWallpaper", C:\AlphA.jpg
- HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Desktop\General
"Wallpaper" ,C:\AlphA.jpg
The following message will be displayed:
