TROJ_FAKEAV.MPL
Win32.SuspectCrc (Ikarus), Rogue:Win32/Winwebsec (Microsoft)
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.
TECHNICAL DETAILS
401,920 bytes
EXE
13 Jun 2013
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.
Installation
This Trojan drops the following copies of itself into the affected system:
- %All Users Profile%\Application Data\{random folder name}\{random file name}.exe
(Note: %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.)
It drops the following files:
- %All Users Profile%\Application Data\{random folder name}\{random file name}.ico
- %Desktop%\System Care Antivirus.lnk
- %Start Menu%\Programs\System Care Antivirus\System Care Antivirus.lnk
(Note: %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.. %Desktop% is the current user's desktop, which is usually C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\Desktop on Windows Vista and 7.. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.)
It creates the following folders:
- %Start Menu%\Programs\System Care Antivirus
- %All Users Profile%\Application Data\{random folder name}
(Note: %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista and 7.. %All Users Profile% is the All Users or Common profile folder, which is C:\Documents and Settings\All Users in Windows 2000, XP, and Server 2003, and C:\ProgramData in Windows Vista and 7.)
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\RunOnce
{random file name} = "%All Users Profile%\Application Data\{random folder name}\{random file name}.exe"
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}.29.179/api/dom/no_respond/?ts=372f2da8fa60db3766a40acc5dab581bdc598273&token=fya14oiYU&affid=51800&ver=3070033&group=sca
- http://{BLOCKED}.29.179/api/urls/?ts=372f2da8fa60db3766a40acc5dab581bdc598273&affid=51800
- http://{BLOCKED}ysafe.com/p/?
- http://{BLOCKED}ter.com/p/?
- http://{BLOCKED}ersec.com/p/?
- http://{BLOCKED}unit.com/p/?
- http://{BLOCKED}rs.com/p/?
- http://{BLOCKED}rketpay.com/p/?
- http://{BLOCKED}esoft.com/?
- http://{BLOCKED}oint.com/p/?