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pxdownloader.exe

The executable pxdownloader.exe has been detected as malware by 38 anti-virus scanners. The file is most likely infected with the Neshta virus, a Russian virus that gathers system information and send it to a remote command and cotrol server. The file has been seen being downloaded from dl.picexa.com.
MD5:
2625d13bb1c3ca9119f839703ab885d9

SHA-1:
023ff3cd614ca793491bbbf01294f6c6abc26160

SHA-256:
3ed9929899b252e3e097601ab408b55944199e4419b6d7b255a116f2832d66c1

Scanner detections:
38 / 68

Status:
File is infected by a Virus

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

Analysis date:
12/27/2024 8:53:33 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Neshta.A
219

Agnitum Outpost
Win32.Neshta.A
7.1.1

AhnLab V3 Security
Win32/Neshta
2015.07.25

Avira AntiVirus
W32/Neshta.A
8.3.1.6

Arcabit
Win32.Neshta.A
1.0.0.425

avast!
Win32:Apanas [Trj]
2014.9-160629

AVG
Worm/Delf
2017.0.2697

Baidu Antivirus
Virus.Win32.Neshta.$a
4.0.3.16629

Bitdefender
Win32.Neshta.A
1.0.20.905

Bkav FE
W32.NeshtaB.PE
1.3.0.6979

Clam AntiVirus
W32.Neshuta.A
0.98/21511

Comodo Security
Win32.Neshta.A
22857

Dr.Web
Win32.HLLP.Neshta
9.0.1.0181

Emsisoft Anti-Malware
Win32.Neshta
8.16.06.29.02

ESET NOD32
Win32/Neshta
10.11993

Fortinet FortiGate
W32/Neshta.A
6/29/2016

F-Prot
W32/HLLP.41472
v6.4.7.1.166

F-Secure
Win32.Neshta.A
11.2016-29-06_4

G Data
Win32.Neshta
16.6.25

IKARUS anti.virus
Virus.Win32.Neshta
t3scan.1.9.5.0

K7 AntiVirus
Virus
13.207.16676

Kaspersky
Virus.Win32.Neshta
14.0.0.-18

McAfee
W32/HLLP.41472.e
5600.6353

Microsoft Security Essentials
Virus:Win32/Neshta.A
1.1.11903.0

MicroWorld eScan
Win32.Neshta.A
17.0.0.543

NANO AntiVirus
Virus.Win32.Neshta.cdby
0.30.24.2668

nProtect
Virus/W32.Neshta
15.07.23.01

Panda Antivirus
W32/Neshta.A
16.06.29.02

Quick Heal
W32.Neshta.C8
6.16.14.00

Rising Antivirus
PE:Win32.Netsha.a!411233
23.00.65.16627

Sophos
W32/Bloat-A
4.98

Total Defense
Win32/Neshta.A
37.1.62.1

Trend Micro House Call
PE_NESHTA.A
7.2.181

Trend Micro
PE_NESHTA.A
10.465.29

Vba32 AntiVirus
Virus.Win32.Neshta.a
3.12.26.4

VIPRE Antivirus
Virus.Win32.Neshta.a
42304

ViRobot
Win32.Neshta.B[h]
2014.3.20.0

Zillya! Antivirus
Virus.Neshta.Win32.1
2.0.0.2314

File size:
355.5 KB (364,032 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
6/19/1992 10:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
3072:sr85CTyOccTgQr4bBP+jvTlBEiw6+3o9FbW6ugZFziPaN5xN:k9acTwBEpheock5b

Entry address:
0x80E4

Entry point:
55, 8B, EC, 83, C4, E0, 33, C0, 89, 45, E0, 89, 45, E8, 89, 45, E4, 89, 45, EC, B8, 54, 80, 40, 00, E8, 12, BE, FF, FF, 33, C0, 55, 68, 20, 82, 40, 00, 64, FF, 30, 64, 89, 20, B8, A8, 91, 40, 00, B9, 0B, 00, 00, 00, BA, 0B, 00, 00, 00, E8, 5C, EF, FF, FF, B8, B4, 91, 40, 00, B9, 09, 00, 00, 00, BA, 09, 00, 00, 00, E8, 48, EF, FF, FF, B8, C0, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 34, EF, FF, FF, B8, DC, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 20, EF, FF, FF, A1, 10, 92, 40...
 
[+]

Entropy:
5.5157

Developed / compiled with:
Microsoft Visual C++

Code size:
29 KB (29,696 bytes)

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

http://dl.picexa.com/update/new.2.0/px/2.1.38/.../pxdownloader.exe

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