MD5: e56d07f827364e0bf60fdd0d458c1d96
SHA1: 84ed8e09c73d57f222874f3a624c54ab769097e9
SHA256: 9e9ca0d90dbe3d01bce2ba7b550cc93b11e900f402b47c1de73c51aceb2eed5b
SSDeep: 6144:DtLBTmXAcoq2XkJQ6FlSHgeGUezDk/7TWvWiJnXm4tiZP8IPe:DtLBlcGX4Q6ElezojKvWQWTPV
Size: 284672 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2005-10-01 17:23:04
Analyzed on: WindowsXP SP3 32-bit

Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

1.tmp:860
%original file name%.exe:1360
%original file name%.exe:1496
msiexec.exe:2004

The Trojan injects its code into the following process(es):

%original file name%.exe:1312

File activity

The process %original file name%.exe:1312 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\config\SOFTWARE.LOG (3331 bytes)
%System%\config\software (1843 bytes)
%Program Files%\LP\D1F5\1.tmp (12588 bytes)
%Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (3946 bytes)
%Program Files%\LP\D1F5\C29.exe (272706 bytes)

Registry activity

The process 1.tmp:860 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6F 11 12 1E 41 15 27 40 8C 86 F8 76 93 6E 3B BB"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\WinRAR]
"HWID" = "7B 32 37 33 37 46 43 33 46 2D 37 34 45 39 2D 34"

The process %original file name%.exe:1360 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "48 42 3C C9 CA D8 57 2A 6A 4E EA BB D8 BC FF 3B"

The process %original file name%.exe:1312 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 16 00 00 00 03 00 00 00 14 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer" = "http=127.0.0.1:57717"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "AF A2 41 D8 6E 63 6B D6 FF 9B 0E FE 60 FA 98 2E"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "3C 00 00 00 03 00 00 00 03 00 00 00 14 00 00 00"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\D1F5\C29.exe"

Automatic startup of the following service is disabled:

[HKLM\System\CurrentControlSet\Services\wscsvc]
"Start" = "3"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyOverride"

The process %original file name%.exe:1496 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6D 3F FD 77 B1 B0 A2 69 DE 31 A2 4F 59 70 5C C4"

The process msiexec.exe:2004 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "63 27 37 10 91 3A 5A 48 6F 67 75 87 0D E2 D8 B1"

Network activity (URLs)

URL	IP
hxxp://23.60.133.163/pca3.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009-2.crl
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootseq.txt
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootstl.cab
www.download.windowsupdate.com	65.172.31.18
csc3-2009-2-crl.verisign.com	23.61.69.163

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   1.tmp:860
   %original file name%.exe:1360
   %original file name%.exe:1496
   

2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:
   

   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %System%\config\SOFTWARE.LOG (3331 bytes)
   %System%\config\software (1843 bytes)
   %Program Files%\LP\D1F5\1.tmp (12588 bytes)
   %Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (3946 bytes)
   %Program Files%\LP\D1F5\C29.exe (272706 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   "C29.exe" = "%Program Files%\LP\D1F5\C29.exe"

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
6. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.