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installer_freedocumentsviewer.exe

Tripro Ltd

The application installer_freedocumentsviewer.exe by Tripro 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
Tripro Ltd  (signed and verified)

MD5:
5af5e8553a126a385e04d8f0331ac32f

SHA-1:
2367b7695c980feb1e39e66e937de712e67688c2

SHA-256:
8cb9cf0f8858a432a88bb85db4c217fad7c1f094a3f5ea86b7a3fe5e5a282e7c

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.

Analysis date:
11/14/2024 3:08:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.12.9

File size:
2.3 MB (2,407,824 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\freedocumentsviewer\installer_freedocumentsviewer.exe

Digital Signature
Signed by:
Tripro Ltd

Authority:
Symantec Corporation

Valid from:
9/30/2015 6:00:00 PM

Valid to:
11/29/2017 5:59:59 PM

Subject:
CN=Tripro Ltd, O=Tripro Ltd, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
13A3B9C03ED5637D31E4611B935ADCCF

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:AaMB8QF0clxZS/NE/Z1v8D8k9ELyjXE0nAAyevW/tSnEnT5vV8St6:AayLlP8Eh1IZELcXE0Ape+/tSnw/8Sk

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9213

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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