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installer.exe

Fast Browser Installer

The Fast Browser Authors

The application installer.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from dl.keyprobox.com and multiple other hosts.
Publisher:
The Fast Browser Authors

Product:
Fast Browser Installer

Version:
46.0.2465.0

MD5:
fa6593bc18de484d3599e9815d3aebb0

SHA-1:
7fce56b74841938272398cadf26b645f9a04f3a0

SHA-256:
c40a11bf710fc77a1cfb18f3bab3d369a411a12d00b108a2f8527ecf2b838613

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 12:47:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InfoSpace.FastBrowser.Installer.Meta (M)
15.12.27.13

File size:
35 MB (36,737,024 bytes)

Product version:
46.0.2465.0

Copyright:
Copyright 2015 The Fast Browser Authors. All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\installer.exe

File PE Metadata
Compilation timestamp:
7/26/2015 3:02:52 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
786432:h1yyRdclighUbntpiMhGB7ibSkudX8RD5icqe+xuWuHA+PN9uCI:zyyExitpiMhGB7KMXKE1uWuJECI

Entry address:
0x2250

Entry point:
6A, 00, FF, 15, B4, 50, 40, 00, 50, E8, B2, 0A, 00, 00, 83, C4, 04, 50, FF, 15, A0, 50, 40, 00, CC, CC, CC, CC, CC, CC, CC, CC, 55, 8B, EC, 81, EC, 14, 02, 00, 00, 56, 8B, 75, 14, 85, F6, 75, 09, 33, C0, 5E, 8B, E5, 5D, C2, 10, 00, 57, FF, 75, 08, 8B, 7D, 10, 8D, 4D, F8, FF, 75, 0C, 57, E8, 63, 0E, 00, 00, 8D, 4D, F8, E8, 8B, 0E, 00, 00, 84, C0, 0F, 84, A5, 00, 00, 00, 8D, 4D, F8, E8, 8B, 0E, 00, 00, 83, F8, 01, 0F, 82, 94, 00, 00, 00, 8D, 4D, F8, E8, 7A, 0E, 00, 00, 3B, 05, A8, 14, 40, 00, 0F, 87, 80, 00...
 
[+]

Entropy:
8.0000

Packer / compiler:
FASM v1.3x

Code size:
8.5 KB (8,704 bytes)

The file installer.exe has been seen being distributed by the following 5 URLs.

http://dl.keyprobox.com/crcb/.../installer.exe

http://as23gg.com/Installer.exe

http://cdn.download2desktop.com/Installer/.../Installer.exe

http://192.168.1.1:8181/http://.../installer.exe

http://d2txuyvgupvxmq.cloudfront.net/installer.exe

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