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silverlight_download.exe

The application silverlight_download.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www.surface64.com.
MD5:
67898a075b42c316555caedd71bb4434

SHA-1:
757547ccedae65c349ee143473ee44dbdb551347

SHA-256:
9fe8bb4923b921bd944aa4715fe5337ecc126e9ff33f1e194fe7d69aca23ce50

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Bundles the Conduit Toolbar and/or Conduit Search Protect.

Analysis date:
4/25/2024 10:55:47 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.DownWare
4.0.3.15128

ESET NOD32
Win32/DownWare
9.9759

McAfee
Artemis!67898A075B42
5600.6558

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.151206

Trend Micro House Call
TROJ_GEN.F47V0501
7.2.342

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.0

VIPRE Antivirus
Conduit
28892

File size:
269.5 KB (275,982 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\silverlight_download.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:dQqZoyNGEL/miCwKh1Ov6BtgZHbGYXwCZ5484rQ:YyeiJK/OG2ZyYX74f8

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.3561

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file silverlight_download.exe has been seen being distributed by the following URL.

http://www.surface64.com/.../Silverlight_Download.exe

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