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 145 powered by FIRST SEARCHBAR.
Publisher:
QuestBrowse.com  (signed and verified)

MD5:
67b252a8685cd522baf633f23ea3a933

SHA-1:
ed3489bb4041faa8a2588e029c8927fa7584660e

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 4:08:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.4.18

File size:
83.3 KB (85,264 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:

Authority:
The USERTRUST Network

Valid from:
7/7/2010 1:00:00 AM

Valid to:
7/7/2012 12:59:59 AM

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 12:48:48 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1536:AEkjY1zy214Qay0DGkJ7qAELVigJnPcpNJ/dhYqqLxJ2/Dya:vkjAJ4dDGkJ+AI0fzJ/dOq5/f

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

Program Uninstaller
Program name:
QuestBrowse 1.0 build 145 powered by FIRST SEARCHBAR

Uninstall string:
C:\Programas\QuestBrwSearch\uninstall.exe _?=C:\Programas\QuestBrwSearch


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