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quicktime_downloader.exe

The application quicktime_downloader.exe has been detected as a potentially unwanted program by 8 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.instalki.pl.
MD5:
db426a7c252a0561daa66795e03656b2

SHA-1:
d85c8b9d17d6cb8ee464412f09ca42f74520ac28

SHA-256:
a0e9f211668b4743def1f31400f6c4feb8941d400f4b2acc9a3ab78119407953

Scanner detections:
8 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/25/2024 3:21:06 AM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
W32.Clod0fc.Trojan
1.3.0.4613

Dr.Web
Adware.InstallCore.133
9.0.1.0169

ESET NOD32
Win32/InstallCore.FU
8.9174

F-Secure
Adware.Generic.639134
11.2014-18-06_4

G Data
Adware.Generic.639134
14.6.22

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14616

SUPERAntiSpyware
PUP.InstallCore/Variant
10536

VIPRE Antivirus
InstallCore.b
24372

File size:
629 KB (644,080 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

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

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0kOyMJfsGf2gR3e2LPxpTBLQx2RPPOTC4kciVhvCRJVx/foN1HF/H+0qC6XUpFbx:lOyMJfsw2gR3e2LnTBs8ROTC4t8h6RJF

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

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

http://www.instalki.pl/.../get_QuickTime.php

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