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Adware.Agent.a Analysis Report
Threat Submitted On: 5/10/2007 3:52:53 PM
Threat Analysed On: 5/10/2007 8:52:53 PM
Threat Updated On: 11/8/2009 7:43:14 PM
Type : Adware
Symptoms of Agent.a
  • Displays porn/abusive content or intrusive third-party advertisements.
  • Shows deceptive or false warning.
  • Generates advertisement even when the program is not running
  • Synchronously installs other bundled program.
  • The program can places unwanted adverts on computer screen.
Information
Alias : AdWare.Win32.Agent.a
Md5 Hash : [5d788d6c6d4f3502eabf11da8584eba4]
File Size : (46575 bytes)

Here are the Technical findings of our analysis team after analyzing this malware in detail :-

Creates the following infected Files on user's System
Note:
Delete the following Files to remove Infection
File: a~nsisu_.exe
Path : %temp%

Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
0283f84b458b8aa992010155d33087a8 ( 46581 bytes)
0b59ed14f978a99e7b919c571249eb19 ( 46582 bytes)
0fef9a98eca2826f6a8a42c3d9ae557a ( 46645 bytes)
1252d66aa32d16c5c64fd724bf056e0d ( 46578 bytes)
1560069fc5be0670af1ee7d509cc10e2 ( 46603 bytes)
162e2703c3709055d8f174f9b40c4f6d ( 46583 bytes)
1972ce1b2f650ea21996be1d293bd137 ( 46582 bytes)
1a23b85dfea2aba475102105f7f513f7 ( 46583 bytes)
1f1cd0be971b712cdbff1aae7b1133fb ( 46582 bytes)
224e6f3f3d8d972e054152c06539d4d0 ( 46582 bytes)
2421bd041fc39d7e1df95f83526af4f9 ( 46582 bytes)
243d33a2653fe2e3f5c93f29277424cf ( 46646 bytes)
2695ba324c6c3b450e9230234724ea80 ( 46645 bytes)
2abff1c5a78c3a1180009bf32d3ce730 ( 46577 bytes)
2bcf7eb348fb2565d9fcad46714fcfa0 ( 46593 bytes)
2ca3c4f234d981dcc6284c0ff0deb762 ( 46583 bytes)
2e576b17872b3061de479d7fef8e7a5e ( 46592 bytes)
2f2a9075b30a10bc46897e242c0fe8e0 ( 46582 bytes)
2f3a2e433b82ee3c66006b4cac59ed1b ( 46591 bytes)
317f770974c7ba4b17601ac50ae92702 ( 46582 bytes)
3214a551126e0be232fe8092c50c68ec ( 46583 bytes)
38bcae640c778aea0795d9e763363d81 ( 46582 bytes)
38f9ae45f909f24d23a35626ee22ad3c ( 46579 bytes)
39c81226f0a1cb18142aebdda407dab7 ( 46648 bytes)
3a337cb4fece6fe6c11cd853b1090894 ( 46581 bytes)
3bd35f70346e52bb90dbcccc4aa3f2a5 ( 46575 bytes)
43212d41f65fa96b0f0f50f66d7f8883 ( 46581 bytes)
43ff527d736ecd9f9b55ae0ab662b6e6 ( 46582 bytes)
44184f81857f9dffae481e6e1397dba8 ( 46648 bytes)
473f4510fdbc4945db68a29e795a172c ( 46580 bytes)
4741142bf6c2013f3f47436f7066419d ( 46583 bytes)
49018d46173ca9904863ad672a8bc523 ( 46582 bytes)
49694c56a2dbd19dbb3c2fd3628ce1e6 ( 46583 bytes)
4ab79aca8f87fbbb1b01be9ce4170f32 ( 46579 bytes)
4c6776543511f6bd262ca68bc54af0b7 ( 46580 bytes)
504f4b6ce06903da7ce9259e649edcbf ( 46580 bytes)
51e5ed1d5eb11fde4023ab92df605b62 ( 46648 bytes)
52269050a14cf5d00d450d744baed938 ( 46580 bytes)
53980e9579199ded16d4d81d5318df42 ( 46580 bytes)
54559a20ed1fb6758f74cc20e7d71ab7 ( 46580 bytes)
5d739a003c01f06d893d1b1baaafe0a3 ( 46578 bytes)
5d788d6c6d4f3502eabf11da8584eba4 ( 46575 bytes)
65bda1fc23cf1324004e2db8000508ca ( 46593 bytes)
65dd23ca95e7202f2cff6756025698a9 ( 46578 bytes)
6c0e0ac1052c07b7e1b625681f9dbefc ( 46573 bytes)
735b3c9e95362d1b976b9ea2158798b7 ( 46647 bytes)
74768e34057043859129c7bbcedeeb61 ( 46583 bytes)
75254fd7de353ab6abba42377005c355 ( 46648 bytes)
7766d4b050ba382604ff724ad3d37e52 ( 46580 bytes)
796b1dfb776bf4ffca39a4ccdd5f01b9 ( 46647 bytes)
7a1ea05a704b5ccc2c082f84f4ea1f92 ( 46582 bytes)
7bc7888e982d39bd5539caeaa09bba96 ( 46583 bytes)
81cd7e9c46db810dda2b7e4b6e7b0f49 ( 46578 bytes)
81ea214da3c4b0ad5e96833330f081d0 ( 46583 bytes)
82e568e6adcc91f17ed277725f15b647 ( 46588 bytes)
8574bda6b5eff5576b06b30dbdadf076 ( 46582 bytes)
857d0b7a1e5ac7a725d18fa6aeb4e8d8 ( 46581 bytes)
8b312caf429ccf8b510c38f5e64b4abb ( 46579 bytes)
8ca352be2154fc3a0fc0cc19c71ddf2c ( 46593 bytes)
8d07465be259553eeb3bd91006b48649 ( 46582 bytes)
8d3da71073889041dba0f1dc2839961f ( 46648 bytes)
8fd93356e39
File: nsa6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsa8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsb6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsb8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsc6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsc8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsd6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsd8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nse6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nse8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsf6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsf8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsg6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsg8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsh6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsh8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsi6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsi8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsj6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsj8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsk6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsk8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsm6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsm8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsn6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsn8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsisdl.dll
Path : %temp%\nso8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsp6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsp8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsq6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsq8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsr6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsr8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nss6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nss8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nst6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nst8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsu6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsu8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsv6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsv8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsw6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsw8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsx6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsx8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsy6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsy8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: nsz6.tmp
Path : %temp%

Md5Hash :( bytes)
File: nsisdl.dll
Path : %temp%\nsz8.tmp

Md5Hash :41c6c89458de4a8679e4841b77759b1a ( bytes)
File: [randomname].exe
Path : %workingdir%

Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
0283f84b458b8aa992010155d33087a8 ( 46581 bytes)
06ba40421caa4436433e2d816c7c090e ( 28674 bytes)
0b59ed14f978a99e7b919c571249eb19 ( 46582 bytes)
0fef9a98eca2826f6a8a42c3d9ae557a ( 46645 bytes)
1252d66aa32d16c5c64fd724bf056e0d ( 46578 bytes)
1560069fc5be0670af1ee7d509cc10e2 ( 46603 bytes)
162e2703c3709055d8f174f9b40c4f6d ( 46583 bytes)
16e5c8f0196c39f4a251e80449528d87 ( 28690 bytes)
1972ce1b2f650ea21996be1d293bd137 ( 46582 bytes)
1a23b85dfea2aba475102105f7f513f7 ( 46583 bytes)
1f1cd0be971b712cdbff1aae7b1133fb ( 46582 bytes)
224e6f3f3d8d972e054152c06539d4d0 ( 46582 bytes)
2421bd041fc39d7e1df95f83526af4f9 ( 46582 bytes)
243d33a2653fe2e3f5c93f29277424cf ( 46646 bytes)
2695ba324c6c3b450e9230234724ea80 ( 46645 bytes)
2abff1c5a78c3a1180009bf32d3ce730 ( 46577 bytes)
2bcf7eb348fb2565d9fcad46714fcfa0 ( 46593 bytes)
2ca3c4f234d981dcc6284c0ff0deb762 ( 46583 bytes)
2e576b17872b3061de479d7fef8e7a5e ( 46592 bytes)
2f2a9075b30a10bc46897e242c0fe8e0 ( 46582 bytes)
2f3a2e433b82ee3c66006b4cac59ed1b ( 46591 bytes)
317f770974c7ba4b17601ac50ae92702 ( 46582 bytes)
3214a551126e0be232fe8092c50c68ec ( 46583 bytes)
32b6b9d35864917b8f27eb7ba3a85f17 ( 28693 bytes)
38bcae640c778aea0795d9e763363d81 ( 46582 bytes)
38f9ae45f909f24d23a35626ee22ad3c ( 46579 bytes)
39c81226f0a1cb18142aebdda407dab7 ( 46648 bytes)
3a337cb4fece6fe6c11cd853b1090894 ( 46581 bytes)
3bd35f70346e52bb90dbcccc4aa3f2a5 ( 46575 bytes)
43212d41f65fa96b0f0f50f66d7f8883 ( 46581 bytes)
43ff527d736ecd9f9b55ae0ab662b6e6 ( 46582 bytes)
44184f81857f9dffae481e6e1397dba8 ( 46648 bytes)
473f4510fdbc4945db68a29e795a172c ( 46580 bytes)
4741142bf6c2013f3f47436f7066419d ( 46583 bytes)
49018d46173ca9904863ad672a8bc523 ( 46582 bytes)
49694c56a2dbd19dbb3c2fd3628ce1e6 ( 46583 bytes)
4ab79aca8f87fbbb1b01be9ce4170f32 ( 46579 bytes)
4c6776543511f6bd262ca68bc54af0b7 ( 46580 bytes)
504f4b6ce06903da7ce9259e649edcbf ( 46580 bytes)
51e5ed1d5eb11fde4023ab92df605b62 ( 46648 bytes)
52269050a14cf5d00d450d744baed938 ( 46580 bytes)
53980e9579199ded16d4d81d5318df42 ( 46580 bytes)
54559a20ed1fb6758f74cc20e7d71ab7 ( 46580 bytes)
565dab6ccdced1040f263f362dcc379d ( 28692 bytes)
5d739a003c01f06d893d1b1baaafe0a3 ( 46578 bytes)
5d788d6c6d4f3502eabf11da8584eba4 ( 46575 bytes)
65bda1fc23cf1324004e2db8000508ca ( 46593 bytes)
65dd23ca95e7202f2cff6756025698a9 ( 46578 bytes)
6c0e0ac1052c07b7e1b625681f9dbefc ( 46573 bytes)
735b3c9e95362d1b976b9ea2158798b7 ( 46647 bytes)
74768e34057043859129c7bbcedeeb61 ( 46583 bytes)
75254fd7de353ab6abba42377005c355 ( 46648 bytes)
7766d4b050ba382604ff724ad3d37e52 ( 46580 bytes)
796b1dfb776bf4ffca39a4ccdd5f01b9 ( 46647 bytes)
7a1ea05a704b5ccc2c082f84f4ea1f92 ( 46582 bytes)
7bc7888e982d39bd5539caeaa09bba96 ( 46583 bytes)
80826905121031325afeff03233ae326 ( 28689 bytes)
81cd7e9c46db810dda2b7e4b6e7b0f49 ( 46578 bytes)
81ea214da3c4b0ad5e96833330f081d0 ( 46583 bytes)
82e568e6adcc91f17ed277725f15b647 ( 46588 bytes)
8574bda6b5eff5576b06b30dbdadf076 ( 46582 bytes)
857d0b7a1e5
Also creates the following files on user's System which are also created by Genuine Software :-
Note:
These file(s) can be kept as they are also created by genuine Software.
File : a~nsisu_.exe
Path : %temp%

Md5Hash :a913ae8e2d452a06a32151bf50596521 ( 46593 bytes)
File : nso6.tmp
Path : %temp%

Md5Hash :( bytes)
Creates the following infected Registry Keys on user's System
Note:
Delete these Registries to remove Infection
The following Registry Values are added to the provided Registry Keys :-
Note:
Delete the added Values from the Key to remove Infection
|__ Value Added :
crpid = "[reg_dword, value: 00000008]"
|__ Value Added :
uninstall = "[reg_dword, value: 00000001]"
Creates the following child process(s) on execution:

%systemdrive%\docume~1\antisp~1\locals~1\temp\a~nsisu_.exe /silent /s /s /qn /sp- /passive -s -s _?=%workingdir%\

Tries To Connect to The Following Urls:-
Http_Version :http/1.0
209.200.63.231/client/install.cgi?distid=19&crpid=6&campid=5&status=3&full=0
Copies the Following Files to Given Location :-

Copies :%workingdir%\[random name].exe

To : %systemdrive%\docume~1\antisp~1\locals~1\temp\a~nsisu_.exe

Moves the Following Files to Given Location :-

NOTE:

1. %temp% Refers to the windows temp folder. By default it is 'C:\Documents and Settings\[user]\Local Settings\Temp'
2. %workingdir% Refers to the current directory in which user is working.

Important: We strongly recommend that you backup the Registry before making any changes to it. Incorrect changes to the Registry can result in permanent data loss or corrupted Files. Modify the malicious\suspicious Subkeys only.

Click Here for more spywarelib.com recommended PC Security and Optimization Tools

To modify registry entries in Windows Operating System:
Follow Steps:
1. Click Start > Run
2. Type “regedit” : to open registry editor
3. Navigate to required registry Key from the Left Tree control and modify accordingly.


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