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uninstall.exe

QuestBrowse.com

The application uninstall.exe by QuestBrowse.com has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program QuestBrowse 1.0 build 125.
Publisher:
QuestBrowse.com  (signed and verified)

MD5:
3a76a8f5293ac0a726623b6293331394

SHA-1:
23bee38bc19b408cd6579ad10ac7fac48b51cdaf

SHA-256:
e484c3eccafa7b41f3514dbf55b6229b0534c193e19bdd3cb2fa74aaed5e8d50

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/19/2024 7:32:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.21.14

File size:
83.2 KB (85,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\questbrwsearch\uninstall.exe

Digital Signature
Signed by:
QuestBrowse.com

Authority:
The USERTRUST Network

Valid from:
7/6/2010 5:00:00 PM

Valid to:
7/6/2012 4:59:59 PM

Subject:
CN=QuestBrowse.com, O=QuestBrowse.com, STREET=2141 Rosecrans Ave, STREET=Suite 2020, L=El Segundo, S=CA, PostalCode=90245, C=US

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
00E4373D3806C6A390387CD443CAFF15A0

File PE Metadata
Compilation timestamp:
2/17/2007 4:48:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x3154

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 14, 40, 92, 40, 00, 33, F6, C6, 44, 24, 10, 20, FF, 15, 30, 70, 40, 00, 53, FF, 15, 74, 72, 40, 00, A3, F0, F4, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 60, 98, 42, 00, FF, 15, 5C, 71, 40, 00, 68, 30, 92, 40, 00, 68, 40, EC, 42, 00, E8, 31, 28, 00, 00, FF, 15, B4, 70, 40, 00, BF, 00, 50, 43, 00, 50, 57, E8, 1F, 28, 00, 00, 53, FF, 15, 0C, 71, 40, 00, 80, 3D, 00, 50, 43, 00, 22, A3, 40, F4, 42, 00, 8B, C7, 75, 0A...
 
[+]

Entropy:
7.3002

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

Program Uninstaller
Program name:
QuestBrowse 1.0 build 125

Uninstall string:
C:\Program Files (x86)\QuestBrwSearch\uninstall.exe _?=C:\Program Files (x86)\QuestBrwSearch


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