WORM_PRONNY.JDN
Mal/VB-ALW (Sophos) ,Win32/Pronny.LZ worm (Eset)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm arrives by connecting affected removable drives to a system. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
TECHNICAL DETAILS
143,360 bytes
EXE
No
08 Jun 2014
Arrival Details
This worm arrives by connecting affected removable drives to a system.
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This worm drops the following files:
- {removable drive letter}:\movies.lnk
- {removable drive letter}:\music.lnk
- {removable drive letter}:\favourites.lnk
- {removable drive letter}:\passwords.lnk
- {removable drive letter}:\pictures.lnk
- {removable drive letter}:\private.lnk
- {removable drive letter}:\search.lnk
- {removable drive letter}:\secret folder.lnk
It drops the following copies of itself into the affected system:
- %User Profile%\{random foldername}\{random file name}.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.)
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{random file name} = "%User Profile%\{random foldername}\{random file name}.exe /{random char}"
Other System Modifications
This worm modifies the following registry entries to hide files with Hidden attributes:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
ShowSuperHidden = "0"
Propagation
This worm drops the following copy(ies) of itself in all removable drives:
- {drive letter}:\i love you.exe
- {drive letter}:\naked.exe
- {drive letter}:\password.exe
- {drive letter}:\sexy.exe
- {drive letter}:\webcam.exe
- {drive letter}:\{random filename}.exe
It drops an AUTORUN.INF file to automatically execute the copies it drops when a user accesses the drives of an affected system.
Other Details
This worm connects to the following possibly malicious URL:
- {BLOCKED}.{BLOCKED}.114.0
- {BLOCKED}.{BLOCKED}.117.0
- {BLOCKED}.{BLOCKED}.66.0
- {BLOCKED}.{BLOCKED}.190.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.113.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.138.0
- {BLOCKED}.{BLOCKED}.20.0
- {BLOCKED}.{BLOCKED}.216.0
- {BLOCKED}.{BLOCKED}.72.121
- {BLOCKED}.{BLOCKED}.237.0
- {BLOCKED}.{BLOCKED}.55.0
- {BLOCKED}.{BLOCKED}.222.0
- {BLOCKED}.{BLOCKED}.169.0
- {BLOCKED}.{BLOCKED}.117.0
- {BLOCKED}.{BLOCKED}.116.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.71.0
- {BLOCKED}.{BLOCKED}.149.0
- {BLOCKED}.{BLOCKED}.221.0
- {BLOCKED}.{BLOCKED}.103.0
- {BLOCKED}.{BLOCKED}.32.21
- {BLOCKED}.{BLOCKED}.34.21
- {BLOCKED}.{BLOCKED}.36.21
- {BLOCKED}.{BLOCKED}.38.21
- {BLOCKED}.{BLOCKED}.68.0
- {BLOCKED}.{BLOCKED}.98.0
- {BLOCKED}.{BLOCKED}.168.0
- {BLOCKED}.{BLOCKED}.136.0
- {BLOCKED}.{BLOCKED}.210.0
- {BLOCKED}.{BLOCKED}.58.0
- {BLOCKED}.{BLOCKED}.62.0
- {BLOCKED}.{BLOCKED}.66.0
- {BLOCKED}.{BLOCKED}.67.0
- {BLOCKED}.{BLOCKED}.93.201
- {BLOCKED}.{BLOCKED}.125.0
- {BLOCKED}.{BLOCKED}.100.0
- {BLOCKED}.{BLOCKED}.73.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.0.0
- {BLOCKED}.{BLOCKED}.112.0
- {BLOCKED}.{BLOCKED}.67.100
- {BLOCKED}.{BLOCKED}.34.46
- {BLOCKED}.{BLOCKED}.245.0
- {BLOCKED}.{BLOCKED}.120.0
- {BLOCKED}.{BLOCKED}.41.0
- {BLOCKED}.{BLOCKED}.43.0
- {BLOCKED}.{BLOCKED}.44.0
- {BLOCKED}.{BLOCKED}.183.0
- {BLOCKED}.{BLOCKED}.169.0
- {BLOCKED}.{BLOCKED}.174.0
- {BLOCKED}.{BLOCKED}.197.0
- {BLOCKED].{BLOCKED}.58.0
- {BLOCKED].{BLOCKED}.72.0
- {BLOCKED}.{BLOCKED}.143.0
- {BLOCKED}.{BLOCKED}.166.0
- {BLOCKED}.{BLOCKED}.167.0
- {BLOCKED}.{BLOCKED}.230.0
- {BLOCKED}.{BLOCKED}.13.0
- {BLOCKED}.{BLOCKED}.236.0
- {BLOCKED}.{BLOCKED}.139.0
- {BLOCKED}.{BLOCKED}.196.0
- {BLOCKED}.{BLOCKED}.85.0