MD5: 539c40fada8a8475848c195ca7e783ea
SHA1: 4e2034f4effc94a461ae906999a9986a4b657a29
SHA256: 88a4fa92e9de1cf8d8dbcabce82d3c8086bc7d703f5f3456e0217e9a46d1f3bc
SSDeep: 6144:p TIFjj7H Cs1fUIIwKBejwJhJClTxUcrWIsmaKKNI5b:gG7H CEUIZaejwBClTz9R1
Size: 271872 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2005-11-15 12:01:03

Summary:

Backdoor. Malware that enables a remote control of victim's machine.

Payload

No specific payload has been found.

Process activity

The Backdoor creates the following process(es):

1.tmp:1120
539c40fada8a8475848c195ca7e783ea.exe:964
539c40fada8a8475848c195ca7e783ea.exe:528
msiexec.exe:384

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

539c40fada8a8475848c195ca7e783ea.exe:1720

File activity

The process 539c40fada8a8475848c195ca7e783ea.exe:1720 makes changes in a file system.
The Backdoor 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)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8P2F4P6Z\desktop.ini (67 bytes)
%System%\config\SOFTWARE.LOG (4003 bytes)
%System%\config\software (2133 bytes)
%Program Files%\LP\BC05\1.tmp (12588 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\5YW65N8N\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\STGXKJYT\desktop.ini (67 bytes)
%Program Files%\LP\BC05\C29.exe (260722 bytes)
%Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (3946 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\EL6JWVGB\desktop.ini (67 bytes)

Registry activity

The process 1.tmp:1120 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B9 65 DF A7 A1 66 DF 3A 77 7C B5 94 AB AE 82 79"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

[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"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"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 45 44 41 44 32 39 45 32 2D 42 46 37 44 2D 34"

The process 539c40fada8a8475848c195ca7e783ea.exe:964 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B3 9A 68 E7 C2 86 BE 76 6C 1E 2C 7D F5 1C 2C 9D"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

The process 539c40fada8a8475848c195ca7e783ea.exe:528 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "24 23 D4 CF 71 CD E9 CD 39 3A 6C 86 4E 71 4F C4"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

The process 539c40fada8a8475848c195ca7e783ea.exe:1720 makes changes in a system registry.
The Backdoor 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"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"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 13 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"

[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\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"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

[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=127.0.0.1:59980"

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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "5A 58 40 13 CA 51 11 0E 15 11 49 7F 7B F8 95 A9"

[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 Backdoor adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\BC05\C29.exe"

Automatic startup of the following service is disabled:

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

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

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

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

The process msiexec.exe:384 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "60 6B 87 7F 80 A4 D7 80 7E 91 FA 76 02 72 AB 94"

Network activity (URLs)

URL	IP
hxxp://TRANSERSDATAFORME.COM/gate.php (ET CNC Zeus/Spyeye/Palevo Tracker Reported CnC Server (group 6) , Malicious)
hxxp://e6845.ce.akamaiedge.net/pca3.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009-2.crl
hxxp://www.google.com/	74.125.226.211
hxxp://www.google.ca/?gws_rd=cr	74.125.226.223
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
crl.verisign.com	23.35.165.163
csc3-2009-2-crl.verisign.com	23.35.165.163
www.download.windowsupdate.com	204.0.86.145
transersdataforme.com	192.155.89.148

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:1120
   539c40fada8a8475848c195ca7e783ea.exe:964
   539c40fada8a8475848c195ca7e783ea.exe:528
   

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

   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\8P2F4P6Z\desktop.ini (67 bytes)
   %System%\config\SOFTWARE.LOG (4003 bytes)
   %System%\config\software (2133 bytes)
   %Program Files%\LP\BC05\1.tmp (12588 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\5YW65N8N\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\STGXKJYT\desktop.ini (67 bytes)
   %Program Files%\LP\BC05\C29.exe (260722 bytes)
   %Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (3946 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\EL6JWVGB\desktop.ini (67 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\BC05\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.