TROJ_HILOTI.FNZ
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Trojan uses social engineering methods to lure users into performing certain actions that may, directly or indirectly, cause malicious routines to be performed. Specifically, it makes use of Newegg, a popular online computer hardware/software seller.
To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It may be downloaded by other malware/grayware/spyware from remote sites. It may be unknowingly downloaded by a user while visiting malicious websites. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
79,360 bytes
PE
Yes
24 Aug 2010
Downloads files
Arrival Details
This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.
It may be downloaded by other malware/grayware/spyware from remote sites.
It may be unknowingly downloaded by a user while visiting malicious websites.
However, as of this writing, the said sites are inaccessible.
Installation
This Trojan injects itself into the following processes running in the affected system's memory:
- Explorer.exe
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{random characters} = rundll32.exe {malware path and file name},Startup
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{random characters} = rundll32.exe {malware path and file name},iep
Other System Modifications
This Trojan adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\{random characters}
Other Details
This Trojan attempts to access the following websites to download files, which are possibly malicious:
- http://{random character}.{BLOCKED}v.com/get2.php?c={random character}
- {BLOCKED}h9uploading.com
- http://{random character}.{BLOCKED}l.com/get2.php?c={random character}
SOLUTION
8.900
7.408.01
25 Aug 2010
7.409.00
26 Aug 2010
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Scan your computer with your Trend Micro product and note files detected as TROJ_HILOTI.FNZ
Step 3
Restart in Safe Mode
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