Trojan-PSW.Win32.Zbot.4_cbdcfd7522

by malwarelabrobot on October 22nd, 2013 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Generic!SB.0 (VIPRE), Trojan-PSW.Win32.Tepfer!IK (Emsisoft), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)
Behaviour: Trojan-PSW, Trojan


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary
Technical Details
Removal Recommendations

MD5: cbdcfd7522cbe2aba2f1b988fe980917
SHA1: bf941e578d97c8e09494c96e72283820352d766f
SHA256: b0a3c90d1bd9c84a3908f38496428768b7cc718830fc7a7effb4d39f642fbc5d
SSDeep: 6144:BgVPodvBmagG9cqnZojvqTSlP1rMdpjw5lsbayMCNVCsEjs7KGIu:axgAujVmbMdpjY6bayMgVCEKLu
Size: 307200 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2006-04-18 15:47:09


Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

zaoqz.exe:520
cbdcfd7522cbe2aba2f1b988fe980917.exe:1624

File activity

The process zaoqz.exe:520 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\NTUSER.DAT.LOG (7160 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (5180 bytes)

The process cbdcfd7522cbe2aba2f1b988fe980917.exe:1624 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Noyhys\zaoqz.exe (1732 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\WPL902F.bat (173 bytes)

Registry activity

The process zaoqz.exe:520 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "82 E5 74 85 90 C5 B3 67 F7 BE 5C BE 77 84 A9 F4"

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

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

[HKCU\Software\Microsoft\Nahocuov]
"1b05033e" = "oMMzS4cT6jEpt937"

The process cbdcfd7522cbe2aba2f1b988fe980917.exe:1624 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A3 27 70 84 B0 88 8B BC 0E A7 78 EC 4D 7D AB DF"

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

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

Network activity (URLs)

URL IP
hxxp://www.google.com/ 173.194.43.116
hxxp://www.google.ca/?gws_rd=cr&ei=cvtkUuGhOvHeyQHs5oDYBg 173.194.43.120


Rootkit activity

The Trojan-PSW installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetWriteFile
InternetWriteFileExA
InternetQueryDataAvailable
HttpQueryInfoW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan-PSW installs the following user-mode hooks in USER32.dll:

GetClipboardData
TranslateMessage

The Trojan-PSW installs the following user-mode hooks in Secur32.dll:

DecryptMessage
SealMessage
DeleteSecurityContext

The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:

WSAGetOverlappedResult
WSASend
recv
gethostbyname
WSARecv
send
closesocket
freeaddrinfo
getaddrinfo
GetAddrInfoW

The Trojan-PSW installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

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. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    zaoqz.exe:520
    cbdcfd7522cbe2aba2f1b988fe980917.exe:1624

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

    %Documents and Settings%\%current user%\NTUSER.DAT.LOG (7160 bytes)
    %Documents and Settings%\%current user%\Application Data\Noyhys\zaoqz.exe (1732 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\WPL902F.bat (173 bytes)

  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.

No votes yet

x

Our best antivirus yet!

Fresh new look. Faster scanning. Better protection.

Enjoy unique new features, lightning fast scans and a simple yet beautiful new look in our best antivirus yet!

For a quicker, lighter and more secure experience, download the all new adaware antivirus 12 now!

Download adaware antivirus 12
No thanks, continue to lavasoft.com
close x

Discover the new adaware antivirus 12

Our best antivirus yet

Download Now