TROJ_KARAGANY.JB
TrojanDownloader:Win32/Karagany.I (Microsoft), Trojan-Ransom.Win32.PornoAsset.cfch (Kaspersky)
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: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Download Routine
This Trojan connects to the following URL(s) to download its component file(s):
- http://{BLOCKED}crete.com/w.htm?JfwfTSrowgzPPYNYD2Jr7P6ZcodMoUO6GpE
- http://{BLOCKED}yaakovmotzen.com/p.htm?mpI2aFT3rf9fqrnGWmf7kxVAEJfl
- http://{BLOCKED}tlanticpotash.com/h.htm?QiINzTZ6xhKUZ6uHscHlvQXsg8W
- http://{BLOCKED}gwithpsychedelics.com/c.htm?1W1GChaoRWalVLZa5zntnfI
- http://{BLOCKED}andesign.com/r.htm?KdtWIBS3LM4eBByuAamYnVLd56ErWxhB
It saves the files it downloads using the following names:
- %User Temp%\{random}.tmp
(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)
It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.