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Trojan.buzus.amm Analysis Report
Threat Submitted On: 4/30/2008 5:54:12 PM
Threat Analysed On: 4/30/2008 10:54:12 PM
Threat Updated On: 11/9/2009 12:50:35 PM
Type : Trojan
Symptoms of buzus.amm
  • Performs illicit activities under the disguise of a useful program.
  • Download malicious code and programs such as keyloggers.
  • It is capable of fetching user’s personal and confidential information.
Information
Alias : trojan.win32.buzus.amm
Md5 Hash : [9eff1c1000d542cbe1d7733b4e60e6d0]
File Size : (130048 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: 1229.exe
Path : %systemdrive%
Md5Hash :d2c057fc35fde06a1ceff6f3a7d942bf ( 112640 bytes)
File: 1413.exe
Path : %systemdrive%
Md5Hash :4922cb3605971b63bdfcc31a12c1d4f9 ( 41984 bytes)
File: 1419.exe
Path : %systemdrive%
Md5Hash :42c4c543e5087a7f5277fe71e49c7e20 ( 7680 bytes)
File: 1560.exe
Path : %systemdrive%
Md5Hash :0ffda57ff7775bad8ceb7a4958024249 ( 41984 bytes)
File: 1740.exe
Path : %systemdrive%
Md5Hash :834b922a1bb42a0055c3641ff7222c23 ( 49962 bytes)
File: 1754.exe
Path : %systemdrive%
Md5Hash :b26f631eb208a489397dc842a5963c53 ( 7680 bytes)
File: 208.exe
Path : %systemdrive%
Md5Hash :e185189d0c59ebe065a38cac5c80bc50 ( 44544 bytes)
File: 210.exe
Path : %systemdrive%
Md5Hash :4edbdd9e76d277e6bd39d231bcb3bd66 ( 276992 bytes)
File: 2552.exe
Path : %systemdrive%
Md5Hash :d8d5cfed84737a9779d4269f318ef39e ( 113664 bytes)
File: 2738.exe
Path : %systemdrive%
Md5Hash :c6be682b3b2c01fe590b5f8c4fdbb5e8 ( 6144 bytes)
File: 3201.exe
Path : %systemdrive%
Md5Hash :c1df86648f9ed21480b3a8da3931a710 ( 9216 bytes)
File: 3278.exe
Path : %systemdrive%
Md5Hash :f7fb9c41752e8f6fca7cf873c59b1c49 ( 276992 bytes)
File: 3342.exe
Path : %systemdrive%
Md5Hash :ecc96d05d39221cd8056e1ad357979c9 ( 353792 bytes)
File: 3379.exe
Path : %systemdrive%
Md5Hash :157dfa1cd66b0df943184fbf10578556 ( 15872 bytes)
File: 3523.exe
Path : %systemdrive%
Md5Hash :5ae25290a2aa46732bc134e5526e9c58 ( 110592 bytes)
File: 3977.exe
Path : %systemdrive%
Md5Hash :96e85b7af6811c95168a9870d09e8b7a ( 930487 bytes)
File: 408.exe
Path : %systemdrive%
Md5Hash :f7fb9c41752e8f6fca7cf873c59b1c49 ( bytes)
File: 4255.exe
Path : %systemdrive%
Md5Hash :8db305e68a083b1e33250354e28fc1c3 ( 30621 bytes)
File: 4300.exe
Path : %systemdrive%
Md5Hash :5b77746c52b941e0cf8e7002b576dcdc ( 139012 bytes)
File: 4364.exe
Path : %systemdrive%
Md5Hash :25f08d617a3d9afb1f58315fc73c9261 ( 159744 bytes)
File: 4471.exe
Path : %systemdrive%
Md5Hash :cb954b6885361fb586839f55a8b74cbf ( 21504 bytes)
File: 506.exe
Path : %systemdrive%
Md5Hash :3538e211adb4d695400c76e80d39f7f3 ( 6144 bytes)
File: cmsetac.dll
Path : %systemdrive%
Md5Hash :c716ace4a9134c58b464407ec8a71f4c ( 33792 bytes)
File: cmsetac.dll
Path : %workingdir%
Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
556f4674b984004b523dfe254ef25c99 ( 33280 bytes)
a3f5ade74b9c25b53535c01ffa0ea239 ( 33280 bytes)
b18ea34911d1e0d2e046081629f2a87e ( 33280 bytes)
File: ntdtcstp.dll
Path : %workingdir%
Md5Hash :67587e25a971a141628d7f07bd40ffa0 ( 7168 bytes)
File: ntdtcstp.dll
Path : %systemdrive%
Md5Hash :67587e25a971a141628d7f07bd40ffa0 ( 7168 bytes)
File: winload.exe
Path : %systemdrive%
Md5Hash :f719cf8719e318f30ae715579f133740 ( bytes)
File: a80_appcompat.txt
Path : %temp%
Md5Hash :225a08347544e121e044cc01c7a4fbcc ( 2582 bytes)
File: adb7_appcompat.txt
Path : %temp%
Md5Hash :eb91d83561013ecf38090adac7955532 ( 2584 bytes)
File: cmsetac.dll
Path : %windir%
Md5Hash :c200deb575126b97609d020897aaa5ac ( 33280 bytes)
File: csrss.exe
Path : %windir%
Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
72dc88dbd76c46b13edbeb95dc793ec3 ( 247808 bytes)
e185189d0c59ebe065a38cac5c80bc50 ( 44544 bytes)
File: ntdtcstp.dll
Path : %windir%
Md5Hash :67587e25a971a141628d7f07bd40ffa0 ( 7168 bytes)
File: 23gsw.le
Path : %windir%\system32
Md5Hash :ae0ce53b1516fb4fd263f33aa8a3d3cd ( 32 bytes)
File: anyrzq.exe
Path : %windir%\system32
Md5Hash :f719cf8719e318f30ae715579f133740 ( 310362 bytes)
File: misconfig.exe
Path : %windir%\system32\bifrost
Md5Hash :8db305e68a083b1e33250354e28fc1c3 ( 30621 bytes)
File: fud.exe
Path : %windir%\system32
Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
0aa758eb291e2750ff92e79b5ee44b4f ( 94208 bytes)
136e1667afccb190ed7ba2d253ccdb79 ( 441856 bytes)
2080a21155c1f7a43e45fbd684b797e8 ( 292612 bytes)
298c255f9d9408dc0c855ff40b8b11df ( 103936 bytes)
4df65cc00657b2a10ba34dd1b47367a3 ( 160554 bytes)
6248654a846325d26349fda806ce3af8 ( 365056 bytes)
6a07288ce30291a747c0f99ece889358 ( 97280 bytes)
6b51743cdc180e274e12b8d2b03f21b7 ( 95744 bytes)
6b910e2d5f05a74b7de4233861e8ab9a ( 94208 bytes)
72dc88dbd76c46b13edbeb95dc793ec3 ( 247808 bytes)
7b58a3a60b739d911ea0838eb5112f79 ( 132608 bytes)
9eff1c1000d542cbe1d7733b4e60e6d0 ( 130048 bytes)
a6997b43633a1b2576a7b37ca808913f ( 1019392 bytes)
b2a6c32677922f7392eb3145458dcd37 ( 130048 bytes)
b4f0b11097193cb3b6c50078d2a6c76e ( 119197 bytes)
b5e3cff4f695d4ff954be985019a17c1 ( 201728 bytes)
ba0f7b37bfd24a233355fed8d5614976 ( 95744 bytes)
bdeb022f128fa889338f96e3b6524779 ( 200704 bytes)
c2d6b46674c46f3b3f13a3559654875a ( 365056 bytes)
c7f05dfa3a5f79c6d3cfc95bdce1ffce ( 109568 bytes)
d28cebd580d7f398cd4d256ba24f3865 ( 198656 bytes)
File: lsasss.exe
Path : %windir%\system32
Md5Hash :6b51743cdc180e274e12b8d2b03f21b7 ( 95744 bytes)
File: lsassssssss.exe
Path : %windir%\system32
Md5Hash :ba0f7b37bfd24a233355fed8d5614976 ( 95744 bytes)
File: qvtxlu.exe
Path : %windir%\system32
Md5Hash :f719cf8719e318f30ae715579f133740 ( 310362 bytes)
File: wsg32.dll
Path : %windir%\system32
Md5Hash :b7e3b1479fe36ceab07e3b1a00977634 ( 65536 bytes)
File: wsg32.exe
Path : %windir%\system32
Md5Hash :dc6e52a250e4f4900ab3a97f17632e26 ( 73476 bytes)
File: yah00.exe
Path : %windir%\system32
Md5Hash :6a07288ce30291a747c0f99ece889358 ( bytes)
File: winvolume.exe
Path : %windir%\winvolume
Md5Hash :834b922a1bb42a0055c3641ff7222c23 ( 49962 bytes)
File: [randomname].exe
Path : %workingdir%
Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
0aa758eb291e2750ff92e79b5ee44b4f ( 94208 bytes)
136e1667afccb190ed7ba2d253ccdb79 ( 441856 bytes)
2080a21155c1f7a43e45fbd684b797e8 ( 292612 bytes)
298c255f9d9408dc0c855ff40b8b11df ( 103936 bytes)
4df65cc00657b2a10ba34dd1b47367a3 ( 160554 bytes)
6248654a846325d26349fda806ce3af8 ( 365056 bytes)
6a07288ce30291a747c0f99ece889358 ( 97280 bytes)
6b51743cdc180e274e12b8d2b03f21b7 ( 95744 bytes)
6b910e2d5f05a74b7de4233861e8ab9a ( 94208 bytes)
72dc88dbd76c46b13edbeb95dc793ec3 ( 247808 bytes)
7b58a3a60b739d911ea0838eb5112f79 ( 132608 bytes)
9eff1c1000d542cbe1d7733b4e60e6d0 ( 130048 bytes)
a6997b43633a1b2576a7b37ca808913f ( 1019392 bytes)
b2a6c32677922f7392eb3145458dcd37 ( 130048 bytes)
b4f0b11097193cb3b6c50078d2a6c76e ( 119197 bytes)
b5e3cff4f695d4ff954be985019a17c1 ( 201728 bytes)
ba0f7b37bfd24a233355fed8d5614976 ( 95744 bytes)
bdeb022f128fa889338f96e3b6524779 ( 200704 bytes)
c2d6b46674c46f3b3f13a3559654875a ( 365056 bytes)
c7f05dfa3a5f79c6d3cfc95bdce1ffce ( 109568 bytes)
d28cebd580d7f398cd4d256ba24f3865 ( 198656 bytes)
f719cf8719e318f30ae715579f133740 ( bytes)
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 : desktop.ini
Path : %homepath%\my documents
Md5Hash :869cba0364c55b0c6524419a8b86df88 ( 83 bytes)
File : 10eef.dmp
Path : %temp%
Md5Hash :d41d8cd98f00b204e9800998ecf8427e ( 0 bytes)
File : 1cf12.dmp
Path : %temp%
Md5Hash :d41d8cd98f00b204e9800998ecf8427e ( 0 bytes)
File : e65_appcompat.txt
Path : %temp%
Md5Hash :1192ac16b19e066d86d65adc0780b25d ( 16216 bytes)
File : addon.dat
Path : %userprofile%\application data
Md5Hash :7185264a944fe124c87ca7e61bdba819 ( 22040 bytes)
File : 23gsw.dat
Path : %windir%\system32
Md5Hash :d41d8cd98f00b204e9800998ecf8427e ( 0 bytes)
File : klog.dat
Path : %windir%\system32\bifrost
Md5Hash :d41d8cd98f00b204e9800998ecf8427e ( 0 bytes)
File : klog.dat
Path : %windir%\winvolume
Md5Hash :d41d8cd98f00b204e9800998ecf8427e ( 0 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 :
klg = "[REG_BINARY, size: 1 bytes]"
|__ Value Added :
microsoft update machine = "anyrzq.exe"
|__ Value Added :
mstwain32 = "%windir%\mstwain32.exe"
|__ Value Added :
klg = "[REG_BINARY, size: 1 bytes]"
|__ Value Added :
plg1 = "[REG_BINARY, size: 260 bytes]"
|__ Value Added :
nck = "[REG_BINARY, size: 16 bytes]"
|__ Value Added :
stubpath = "[REG_EXPAND_SZ, value: %WINDIR%\WinVolume\WinVolume.exe s]"
|__ Value Added :
stubpath = "[REG_EXPAND_SZ, value: %WINDIR%\system32\Bifrost\misconfig.exe s]"
|__ Value Added :
Asynchronous = "[REG_DWORD, value: 00000000]"
|__ Value Added :
Impersonate = "[REG_DWORD, value: 00000000]"
|__ Value Added :
StartScreenSaver = "WLEvtStartScreenSaver"
|__ Value Added :
StopScreenSaver = "WLEvtStopScreenSaver"
|__ Value Added :
.NET. = "\FUD.exe"
|__ Value Added :
lsassssssss.exe = "%windir%\system32\lsassssssss.exe"
|__ Value Added :
microsoft update machine = "anyrzq.exe"
|__ Value Added :
wsg32 = "%WINDIR%\system32\wsg32.exe"
|__ Value Added :
yah00 = "%windir%\system32\yah00.exe"
|__ Value Added :
microsoft update machine = "anyrzq.exe"
|__ Value Added :
nck = "[REG_BINARY, size: 16 bytes]"
Also creates the following legitmate Registries on user's Systems which are also created by Genuine Software :-
Note:
These Keys can be kept as they are also created by genuine Software
The following Registry Values are added to the provided Registry Keys which are also created by Genuine Software :-
Note:
These Values can be left as they are also created by legitimate Software :-
Creates the following child process(s) on execution:

%systemdrive%\1560.exe

%workingdir%\[random name].exe

services.exe

Creates the Following MUTEX(s) on user's System:-
fnmzogqwxhhligvecdbzcu
raspbfile
allok
Tries To Connect to The Following Urls:-
Http_Version :http/1.0
195.242.99.91/gate/gate.php
Copies the Following Files to Given Location :-

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

To : %windir%\system32\fud.exe

NOTE:

1. %systemdrive% Refers to the windows System drive folder. By default it is 'C:\'
2. %workingdir% Refers to the current directory in which user is working.
3. %temp% Refers to the windows temp folder. By default it is 'C:\Documents and Settings\[user]\Local Settings\Temp'
4. %windir% Refers to the windows root folder. By default it is 'C:\Windows'
5. %homepath% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'
6. %userprofile% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'

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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