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freepdfreading.exe

The executable freepdfreading.exe has been detected as malware by 10 anti-virus scanners. The program is a setup application that uses the Nullsoft Scriptable Install System installer, however the file is not signed with an authenticode signature from a trusted source. Infected by an entry-point obscuring polymorphic file infector which will create a peer-to-peer botnet and receives URLs of additional files to download. The file has been seen being downloaded from www.freepdftablet.com.
MD5:
09fb93ca99eeb40a6deefc141537b84c

SHA-1:
4c3aa552c7df76eae9affa412a7c95c624d54bc8

SHA-256:
b64c9b07833cf63fbf0d8fd3b82527c59884445e42fb85736beddd204d51e0f7

Scanner detections:
10 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
12/28/2024 5:48:26 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160518-2

AVG
Win32/Sality
2015.0.4568

Dr.Web
Win32.Sector.30
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
11.5.0.6191

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.223.934.0

Norman
Win32.Sality.3
22.05.2016 07:18:28

File size:
2.6 MB (2,744,328 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

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

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:bff18doYERX486ELiWI5EkjreaEmqnfXZtY493s0zk2Sq4QIA7yaWo:r98doRd6ELQrearqnfp557znSq4QI/m

Entry address:
0x30CB

Entry point:
F7, C5, 2C, E9, 69, 1D, 08, F3, C7, C2, 0B, 53, 73, 71, 8D, 3D, 6A, 8F, F5, 38, F2, 0F, AF, F2, BE, C7, 6C, F9, B6, 81, FD, 6D, 6D, 00, 00, 23, CF, 85, DA, 77, 06, 81, ED, 7B, 5C, 9F, F2, 4F, 8D, 0D, 4F, CD, 89, 45, 68, 14, C5, 15, 00, 68, 17, 6C, F6, 00, FF, C5, E8, 00, 00, 00, 00, C7, C2, 5E, 98, 47, DA, 0F, AF, EF, 08, EC, 69, FA, F3, C7, 89, CE, 0F, AF, F9, 0F, AF, C6, 8A, CE, 21, C9, 3C, C6, 3B, DE, 2B, FF, 69, CF, 38, D7, 53, A6, 0F, BF, F5, 80, E9, AA, 29, E9, 88, D8, 8B, EB, C7, C2, FB, DA, 59, 2F...
 
[+]

Entropy:
7.9938  (probably packed)

Code size:
22.5 KB (23,040 bytes)

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

http://www.freepdftablet.com/download.php

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