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c.exe

Dumodolir

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application c.exe, “Dumodolir Setup ” by UpdateStar 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 an Internet Explorer cache folder. The file has been seen being downloaded from www.purefoldercity.com.
Publisher:
UpdateStar GmbH  (signed and verified)

Product:
Dumodolir

Description:
Dumodolir Setup

Version:
4.3.1.7

MD5:
1e2c9787562335e739578dbc03b59341

SHA-1:
c169e8ad60f1c32a350a0f1077bd8c14be356a81

SHA-256:
124c34be6dd542d7d91d920ed92e7fdb20b3c75b8cb0940bf1e6d9bfe0384c1b

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:
11/23/2024 2:00:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.UpdateSt.Installer (M)
16.6.2.20

File size:
1.1 MB (1,141,864 bytes)

Product version:
1.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\c.exe

Digital Signature
Signed by:
UpdateStar GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/25/2016 6:35:00 PM

Valid to:
3/23/2017 10:24:09 PM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, L=Berlin, S=Berlin, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121C7585A2F5B2218EC6B36D472BA6496D8

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:OtHtkqnjK038XSVOnLSLoIfSsAALkKqu3MuxU8RcZnIZc+MCS/ZWuMyc:O1+gNwEffBA+H8uxcX8OW1

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8811

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://www.purefoldercity.com/c?x=de35E7R8i5TMMUVRlFYvb7Mebtx2b4EUHfDhH4jjK7s=&c=SjA5Ff4qTmRzWvNzedM/XK QK6jguq3 4ciqjyr0lg4XKb0wb/UA4pZGnZ3c2uIhxrUnaae6ZO0U7vBUZim6ruLMaISC/FxUYJa9LZlFbRuBRgTPUvqONagclg3 oGC3&downloadAs=bandizip.exe&fallback_url=http://down.bandisoft.com/.../BANDIZIP-SETUP.EXE

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