uddownload.tmp

Appwork GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The file uddownload.tmp by Appwork GmbH has been detected as a potentially unwanted program 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 installCore installer. It is also typically executed from the user's temporary directory.
Publisher:
Appwork GmbH  (signed and verified)

MD5:
b48d52dd425c0297829f670dcdad1e38

SHA-1:
078c51208c6d06d0b8e88b65d8053e62427efcc1

SHA-256:
df6e98a48f58e09ee7fdb5f5bc768b000bc35866f3d4b3eaa47ccd19e388d36f

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/3/2024 4:22:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.11.3.3

File size:
289.2 KB (296,144 bytes)

Bundler/Installer:
installCore (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\uddownload.tmp

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
8/15/2014 7:00:00 AM

Valid to:
8/16/2015 6:59:59 AM

Subject:
CN=Appwork GmbH, O=Appwork GmbH, L=Fürth, S=Bayern, C=DE

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
0091626FD168636EDD78A174E8B75DAC

File PE Metadata
Compilation timestamp:
5/12/2014 3:03:42 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:h4SUjhto7NjgFuFEhYvPG0wxJQdSIJXo7T0LwalZygb:6dZYvPG0AOSIJYf0LdlZjb

Entry address:
0x30E2

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, 1C, 71, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 58, E4, 42, 00, E8, 95, 2D, 00, 00, A3, A4, E3, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, E0, 87, 42, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, A0, DB, 42, 00, E8, 3F, 2A, 00, 00, FF, 15, 20, 71, 40, 00, BD, 00, 40, 43, 00, 50, 55, E8, 2D, 2A...
 
[+]

Entropy:
6.6267

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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