WORM_AUTORUN.ZZD
Trojan:Win32/Sisron (Microsoft); W32/Renocide.gen.e (McAfee); Trojan.Gen (Symantec); Trojan.Win32.VB.zzm (Kaspersky); Trojan.Win32.Generic!BT (Sunbelt); Worm.Generic.224467 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm 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
282,624 bytes
EXE
No
28 Nov 2012
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This worm deletes the following files:
- %Temporary Internet Files%\Content.IE5\2TPM8950\ip2location[1].htm
- %Temporary Internet Files%\Content.IE5\SMCZPN4M\cmyip[1].htm
- %Temporary Internet Files%\Content.IE5\X9QQH2D9\ip2location[1].htm
- %Temporary Internet Files%\Content.IE5\4H9MXTT9\cmyip[1].htm
- %System%\oobe\nl.lnk
(Note: %Temporary Internet Files% is the Temporary Internet Files folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temporary Internet Files on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Microsoft\Windows\Temporary Internet Files on Windows Vista and 7.. %System% is the Windows system folder, which is usually C:\Windows\System32.)
It adds the following registry keys:
HKEY_LOCAL_MACHINE\Software\Microsoft\
K_O_G\KMFIX
HKEY_LOCAL_MACHINE\Software\Microsoft\
K_O_G\KMCounter
HKEY_LOCAL_MACHINE\Software\Microsoft\
K_O_G\KMSEC
HKEY_LOCAL_MACHINE\Software\Microsoft\
K_O_G\KMFItemp
HKEY_LOCAL_MACHINE\Software\Microsoft\
K_O_G\KMDest
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer\Run
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
K_O_G\KMFIX
Tstadmn = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
K_O_G\KMCounter
Value = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
K_O_G\KMCounter
Value = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
K_O_G\KMSEC
Value = "2D3A42554B1158393D574655"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
KM_Path3 = "%SystemRoot%\system32\oobe\mui\files\csrss.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
KM_Path2 = "SorryKamba"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer\Run
KM_Path = "SorryKamba"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Explorer
NoDriveTypeAutoRun = "353431"
Dropping Routine
This worm drops the following files:
- %System%\oobe\p1
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
This report is generated via an automated analysis system.
SOLUTION
9.300
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
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\Software\Microsoft\K_O_G
- KMFIX
- In HKEY_LOCAL_MACHINE\Software\Microsoft\K_O_G
- KMCounter
- In HKEY_LOCAL_MACHINE\Software\Microsoft\K_O_G
- KMSEC
- In HKEY_LOCAL_MACHINE\Software\Microsoft\K_O_G
- KMFItemp
- In HKEY_LOCAL_MACHINE\Software\Microsoft\K_O_G
- KMDest
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
- Run
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\K_O_G\KMFIX
- Tstadmn = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\K_O_G\KMCounter
- Value = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\K_O_G\KMCounter
- Value = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\K_O_G\KMSEC
- Value = "2D3A42554B1158393D574655"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
- KM_Path3 = "%SystemRoot%\system32\oobe\mui\files\csrss.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
- KM_Path2 = "SorryKamba"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
- KM_Path = "SorryKamba"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer
- NoDriveTypeAutoRun = "353431"
Step 4
Search and delete this file
- %System%\oobe\p1
Step 5
Scan your computer with your Trend Micro product to delete files detected as WORM_AUTORUN.ZZD. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
Step 6
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Temporary Internet Files%\Content.IE5\2TPM8950\ip2location[1].htm
- %Temporary Internet Files%\Content.IE5\SMCZPN4M\cmyip[1].htm
- %Temporary Internet Files%\Content.IE5\X9QQH2D9\ip2location[1].htm
- %Temporary Internet Files%\Content.IE5\4H9MXTT9\cmyip[1].htm
- %System%\oobe\nl.lnk
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