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tundra_chit.rar provided through mododrom.exe

Optimized Installer

SIEN Internet Products Ltd

This is the SIEN AppScion Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application tundra_chit.rar provided through mododrom.exe by SIEN Internet Products 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 SIEN SuperInstall installer.
Publisher:
LIVE_SOFT_ACTION  (signed by SIEN Internet Products Ltd)

Product:
Optimized Installer

Version:
9.6.4.1

MD5:
4b6c128d62856490aab5d5b847cad7ac

SHA-1:
9b8495e1c861daf936b6d650da6c4f71fc5993ed

SHA-256:
b8aec0c1a71e889b8dbf30872254d852b21ca089991a9d9db1fdf26c04d4f40e

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.

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:
11/30/2024 10:34:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.12.20

File size:
727.5 KB (744,944 bytes)

Product version:
9.6.4.1

Copyright:
(c) LIVE_SOFT_ACTION. All rights reserved.

Original file name:
OptSet.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Common path:
C:\users\{user}\downloads\tundra_chit.rar provided through mododrom.exe

Digital Signature
Signed by:
SIEN Internet Products Ltd

Authority:
GlobalSign nv-sa

Valid from:
7/2/2014 3:16:26 PM

Valid to:
7/3/2015 3:16:26 PM

Subject:
CN=SIEN Internet Products Ltd, O=SIEN Internet Products Ltd, L=London, C=GB

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

Serial number:
1121B65276582BE3F0926659AF0E1E5D895A

File PE Metadata
Compilation timestamp:
2/5/2015 3:36:29 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x1CF8A0

Entry point:
60, BE, 00, 20, 53, 00, 8D, BE, 00, F0, EC, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
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Packer / compiler:
UPX 2.90LZMA

Code size:
632 KB (647,168 bytes)

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.