TROJ_NECONYD.AQ
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This Trojan adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-javascript
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
text/javascript
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
application/x-javascript
CLSID = "{25336920-03F9-11cf-8FD0-00AA00686F13}"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
MIME\Database\Content Type\
text/javascript
CLSID = "{25336920-03F9-11cf-8FD0-00AA00686F13}"
Dropping Routine
This Trojan drops the following files:
- %Windows%\Tasks\v9c1f.job
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}s.pw/568/654.html
- http://{BLOCKED}s.pw/852/861.html
- http://{BLOCKED}udytfert.biz/983/528.html
- http://{BLOCKED}truasf.biz/284/310.html
- http://{BLOCKED}s.pw/521/287.html
- http://{BLOCKED}s.pw/431/225.html
- http://{BLOCKED}udytfert.biz/287/848.html
- http://{BLOCKED}truasf.biz/753/743.html
- http://{BLOCKED}s.pw/182/131.html
- http://{BLOCKED}s.pw/80/666.html
- http://{BLOCKED}udytfert.biz/296/48.html
- http://{BLOCKED}truasf.biz/141/822.html
- http://{BLOCKED}s.pw/405/257.html
- http://{BLOCKED}s.pw/447/978.html
- http://{BLOCKED}udytfert.biz/708/452.html
- http://{BLOCKED}truasf.biz/772/785.html
- http://{BLOCKED}s.pw/621/965.html
- http://{BLOCKED}s.pw/434/596.html
- http://{BLOCKED}udytfert.biz/569/977.html
- http://{BLOCKED}truasf.biz/669/410.html
- http://{BLOCKED}s.pw/36/533.html
- http://{BLOCKED}s.pw/705/923.html
- http://{BLOCKED}udytfert.biz/105/856.html
- http://{BLOCKED}truasf.biz/755/865.html
- http://{BLOCKED}s.pw/558/390.html
- http://{BLOCKED}s.pw/435/768.html
- http://{BLOCKED}udytfert.biz/194/935.html
- http://{BLOCKED}truasf.biz/621/952.html
- http://{BLOCKED}s.pw/53/591.html
- http://{BLOCKED}s.pw/776/105.html
- http://{BLOCKED}udytfert.biz/159/423.html
- http://{BLOCKED}truasf.biz/149/310.html
- http://{BLOCKED}s.pw/596/557.html
- http://{BLOCKED}s.pw/956/388.html
- http://{BLOCKED}udytfert.biz/589/919.html
- http://{BLOCKED}truasf.biz/12/461.html
- http://{BLOCKED}s.pw/154/365.html
- http://{BLOCKED}s.pw/322/744.html
- http://{BLOCKED}udytfert.biz/399/440.html
- http://{BLOCKED}truasf.biz/717/900.html
- http://{BLOCKED}s.pw/893/149.html
- http://{BLOCKED}s.pw/247/317.html
- http://{BLOCKED}udytfert.biz/147/551.html
- http://{BLOCKED}truasf.biz/758/797.html
- http://{BLOCKED}s.pw/957/188.html
- http://{BLOCKED}s.pw/971/111.html
- http://{BLOCKED}udytfert.biz/371/518.html
- http://{BLOCKED}truasf.biz/394/888.html
- http://{BLOCKED}s.pw/429/190.html
- http://{BLOCKED}s.pw/868/695.html
- http://{BLOCKED}udytfert.biz/941/324.html
- http://{BLOCKED}truasf.biz/226/918.html
- http://{BLOCKED}s.pw/165/41.html
- http://{BLOCKED}s.pw/938/305.html
- http://{BLOCKED}udytfert.biz/124/848.html
- http://{BLOCKED}truasf.biz/159/175.html
- http://{BLOCKED}s.pw/627/354.html
- http://{BLOCKED}s.pw/180/511.html
- http://{BLOCKED}udytfert.biz/516/778.html
- http://{BLOCKED}truasf.biz/641/53.html
- http://{BLOCKED}s.pw/829/800.html
- http://{BLOCKED}s.pw/593/204.html
- http://{BLOCKED}udytfert.biz/609/674.html
- http://{BLOCKED}truasf.biz/587/630.html
- http://{BLOCKED}s.pw/760/920.html
- http://{BLOCKED}s.pw/816/690.html
- http://{BLOCKED}udytfert.biz/217/446.html
- http://{BLOCKED}truasf.biz/340/414.html
- http://{BLOCKED}s.pw/205/647.html
- http://{BLOCKED}s.pw/785/941.html
- http://{BLOCKED}udytfert.biz/317/8.html
- http://{BLOCKED}truasf.biz/488/194.html
- http://{BLOCKED}s.pw/974/244.html
- http://{BLOCKED}s.pw/633/38.html
- http://{BLOCKED}udytfert.biz/820/406.html
- http://{BLOCKED}truasf.biz/478/983.html
- http://{BLOCKED}s.pw/925/315.html
- http://{BLOCKED}s.pw/474/385.html
- http://{BLOCKED}udytfert.biz/296/809.html
- http://{BLOCKED}truasf.biz/695/129.html
- http://{BLOCKED}s.pw/150/707.html
- http://{BLOCKED}s.pw/185/648.html
- http://{BLOCKED}udytfert.biz/631/455.html
- http://{BLOCKED}truasf.biz/509/916.html
- http://{BLOCKED}s.pw/952/105.html
- http://{BLOCKED}s.pw/295/317.html
- http://{BLOCKED}udytfert.biz/20/297.html
- http://{BLOCKED}truasf.biz/466/567.html
- http://{BLOCKED}s.pw/232/426.html
- http://{BLOCKED}s.pw/512/915.html
- http://{BLOCKED}udytfert.biz/275/517.html
- http://{BLOCKED}truasf.biz/364/563.html
- http://{BLOCKED}s.pw/814/222.html
- http://{BLOCKED}s.pw/646/446.html
- http://{BLOCKED}udytfert.biz/17/292.html
- http://{BLOCKED}truasf.biz/40/848.html
- http://{BLOCKED}s.pw/862/39.html
- http://{BLOCKED}s.pw/167/790.html
- http://{BLOCKED}udytfert.biz/633/733.html
- http://{BLOCKED}truasf.biz/236/105.html
- http://{BLOCKED}s.pw/864/398.html
- http://{BLOCKED}s.pw/867/353.html
- http://{BLOCKED}udytfert.biz/432/305.html
- http://{BLOCKED}truasf.biz/739/611.html
This report is generated via an automated analysis system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type
- application/x-javascript
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type
- text/javascript
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-javascript
- CLSID = "{25336920-03F9-11cf-8FD0-00AA00686F13}"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\text/javascript
- CLSID = "{25336920-03F9-11cf-8FD0-00AA00686F13}"
Step 4
Search and delete this file
- %Windows%\Tasks\v9c1f.job
Step 5
Scan your computer with your Trend Micro product to delete files detected as TROJ_NECONYD.AQ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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