Home Malware Programs Trojans JS/Downloader.Agent

JS/Downloader.Agent

Posted: July 1, 2009

Threat Metric

Threat Level: 9/10
Infected PCs: 159
First Seen: July 24, 2009
Last Seen: April 20, 2022
OS(es) Affected: Windows

JS/Downloader.Agent is a detection for JavaScript files that may intend to download additional malware onto your PC. With the assistance of trojans, JS/Downloader.Agent will inject itself into your computer and alter browser settings, to cause the redirection of web-surfing activities to rogue websites.

Aliases

Downloader.Generic_r.BA [AVG]W32/Agent.NKR!tr.pws [Fortinet]Win-Trojan/Agent.12800.FC [AhnLab-V3]Trojan/Win32.Agent.gen [Antiy-AVL]TR/Downloader.Gen [AntiVir]Trojan.PWS.Sector [DrWeb]TrojWare.Win32.PSW.Agent.kyl [Comodo]Troj/Dwnldr-HIP [Sophos]Trojan.Generic.5372981 [BitDefender]Trojan-PSW.Win32.Agent.kyl [Kaspersky]Win32.Agent.kyl [eSafe]Win32:Sality-GR [Avast]W32/Pws.BENS [F-Prot]a variant of Win32/TrojanDownloader.Sality.G [NOD32]Password-Stealer [K7AntiVirus]
More aliases (1270)

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



yuiabct.exe File name: yuiabct.exe
Size: 20.76 KB (20764 bytes)
MD5: 6d59229ec6a80f947ea7f32dd0495564
Detection count: 95
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: December 11, 2009
zywmdime.dll File name: zywmdime.dll
Size: 537.09 KB (537096 bytes)
MD5: 07745154c260e67a148b511a3096960b
Detection count: 85
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
dat5.tmp File name: dat5.tmp
Size: 8.7 KB (8704 bytes)
MD5: 485a58909d18fe66341f1e6eda1cbbfd
Detection count: 66
File type: Temporary File
Mime Type: unknown/tmp
Group: Malware file
Last Updated: December 11, 2009
326xxx.dll File name: 326xxx.dll
Size: 25.08 KB (25088 bytes)
MD5: a064290bfcd2411cf058da4d0721cd1a
Detection count: 60
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
03518usc.dll File name: 03518usc.dll
Size: 11.77 KB (11776 bytes)
MD5: 11e97e10b88a2bc7abf2c9f8a1c48b49
Detection count: 56
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
kavo0.dll File name: kavo0.dll
Size: 125.95 KB (125952 bytes)
MD5: 43990ec33a545d420507877ffb6c5338
Detection count: 55
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
jsdb.dll File name: jsdb.dll
Size: 46.59 KB (46592 bytes)
MD5: b74223b04f7a689a21526c84df2e659f
Detection count: 55
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: February 12, 2010
amvo.exe File name: amvo.exe
Size: 105.26 KB (105263 bytes)
MD5: 2b45da198c1eff77da4d576e34cbbecf
Detection count: 54
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: December 11, 2009
4138kou.dll File name: 4138kou.dll
Size: 19.45 KB (19456 bytes)
MD5: 3a5098a7e404bc176f3f6b8155756a57
Detection count: 53
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
WebPaper.exe File name: WebPaper.exe
Size: 66.64 KB (66640 bytes)
MD5: 21450a2bfa0d072bb85a2218730d0443
Detection count: 53
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: June 15, 2010
08223b03.dll File name: 08223b03.dll
Size: 16.98 KB (16984 bytes)
MD5: a992c4e43a9edf4a8ca6015f65b50bd3
Detection count: 44
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
122b901e.dll File name: 122b901e.dll
Size: 14.94 KB (14941 bytes)
MD5: 51fe7eaff75951a23d0284a50995e68b
Detection count: 43
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
2ef0d734.dll File name: 2ef0d734.dll
Size: 219.21 KB (219212 bytes)
MD5: 0d0e7fab4f9d9c9505386126df0d737b
Detection count: 42
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
sichost.exe File name: sichost.exe
Size: 38.4 KB (38400 bytes)
MD5: 8a090d8aea878f292b66a921f1cce67b
Detection count: 36
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: February 18, 2010
msosdrop00.dll File name: msosdrop00.dll
Size: 11.72 KB (11721 bytes)
MD5: cf04f3bc6750d8f023e0b10375b9f98a
Detection count: 22
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
49400W.exe File name: 49400W.exe
Size: 30.5 KB (30509 bytes)
MD5: b55924e1f7808c555be832d347ff49a0
Detection count: 20
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: December 11, 2009
7F1C46C1BD7F.dll File name: 7F1C46C1BD7F.dll
Size: 126.97 KB (126976 bytes)
MD5: 784e1bdc322601e631d5fe5e21ee151e
Detection count: 16
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
msosjtio00.dll File name: msosjtio00.dll
Size: 11.77 KB (11770 bytes)
MD5: 7131a1bfccba72741b17348f4912059a
Detection count: 15
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: December 11, 2009
%TEMP%\winxrhcpb.exe File name: winxrhcpb.exe
Size: 12.8 KB (12800 bytes)
MD5: bd47bac8253e96e28b29f17ac48d4cc4
Detection count: 12
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: October 5, 2012
tciocp64.exe File name: tciocp64.exe
Size: 19.72 KB (19728 bytes)
MD5: 4ae0bbe76438fa4d200f896009412744
Detection count: 2
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: March 25, 2010

More files

Registry Modifications

The following newly produced Registry Values are:

CLSID{8FF71D28-9FC0-4D5D-9FF1-6E24F96DE4B7}File name without pathsichost.exe
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