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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 pdftablet.s3.amazonaws.com.
MD5:
c9fd4b7fe78e7958a319f333581a6464

SHA-1:
d280a54c0faa28d0a408507d85bbef4f5d88bb5e

SHA-256:
8133a75c45ace74e3333f342c759fec0e7665ae7b40b0a0c4b99dd3ae99f7c94

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 5:35:11 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160327-1

AVG
Win32/Sality
2015.0.4565

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
Trojan.Artemis!29649FDAE167
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.219.828.0

Norman
Win32.Sality.3
02.04.2016 17:35:19

File size:
2.6 MB (2,743,952 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Scriptable Install System

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

File PE Metadata
Compilation timestamp:
12/6/2009 3:50:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:Q5z8doYERX486ELiWI5EkjreaEmqnfXZtY493s0zk2Sq4QIA7yaWZ:U8doRd6ELQrearqnfp557znSq4QI/j

Entry address:
0x30CB

Entry point:
F6, C3, A2, 86, E2, 41, 89, C3, 84, E3, 8D, 15, F2, 2E, C8, 96, 00, EA, 0C, F4, 87, C8, 8D, 0D, 4F, 5D, AA, 6F, 14, B2, 69, C1, 5F, C5, 86, 43, 81, FE, 9E, 01, 00, 00, 85, D8, 71, 09, F3, 87, C3, 8D, 15, EE, D7, E7, 97, 55, 87, D7, 19, FE, 14, 01, 2D, EC, 38, 34, 78, E8, 00, 00, 00, 00, 8D, 35, 70, 08, E1, 4F, F3, 69, FA, 90, C5, FC, C7, 86, CD, 77, 0B, 0F, BE, EC, FF, C5, 8D, 0D, CD, B7, 44, EE, 03, D9, 0B, D0, 5A, 85, C8, 75, 02, 20, CB, FF, CD, 0F, B6, DF, 88, D3, 2A, E3, 69, DD, 8C, D6, 22, BA, F6, C4...
 
[+]

Entropy:
7.9937  (probably packed)

Code size:
22.5 KB (23,040 bytes)

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

http://pdftablet.s3.amazonaws.com/FreePDFReading.exe

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