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steamsetup.exe

The executable steamsetup.exe has been detected as malware by 39 anti-virus scanners. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. 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 media.steampowered.com.
MD5:
5a68e9de665ccdb365f327748579f445

SHA-1:
6f74eee34246e75fea8f6d50abe0054c493f9b50

SHA-256:
aeeeca928414ea8546a96cb54cddef8e41e03d14c4fa2ac830530fbadf929d66

Scanner detections:
39 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/27/2024 12:42:24 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Neshta.A
928

Agnitum Outpost
Win32.Neshta.A
7.1.1

AhnLab V3 Security
Win32/Neshta
14.07.22

Avira AntiVirus
W32/Neshta.A
7.11.137.152

avast!
Win32:Apanas [Trj]
2014.9-140722

AVG
SHeur4
2015.0.3406

Baidu Antivirus
Virus.Win32.Neshta.$a
4.0.3.14722

Bitdefender
Win32.Neshta.A
1.0.20.1015

Bkav FE
W32.NeshtaB.PE
1.3.0.4959

Clam AntiVirus
W32.Neshuta.A
0.98/18355

Comodo Security
Win32.Neshta.A
17948

Dr.Web
Win32.HLLP.Neshta
9.0.1.0203

Emsisoft Anti-Malware
Win32.Neshta
8.14.07.22.05

ESET NOD32
Win32/Neshta
8.9557

Fortinet FortiGate
W32/Neshta.A
7/22/2014

F-Prot
W32/HLLP.41472
v6.4.7.1.166

F-Secure
Win32.Neshta.A
11.2014-22-07_3

G Data
Win32.Neshta
14.7.24

K7 AntiVirus
Virus
13.176.11482

Kaspersky
Virus.Win32.Neshta
14.0.0.3524

McAfee
W32/HLLP.41472.e
5600.7062

Microsoft Security Essentials
Virus:Win32/Neshta.A
1.10401

MicroWorld eScan
Win32.Neshta.A
15.0.0.609

NANO AntiVirus
Virus.Win32.Neshta.cdby
0.28.0.58491

Norman
Neshta.C
11.20140722

nProtect
Virus/W32.Neshta
14.03.18.01

Panda Antivirus
W32/Neshta.A
14.07.22.05

Qihoo 360 Security
Virus.Win32.Neshta.B
1.0.0.1015

Quick Heal
W32.Neshta.A
7.14.12.00

Reason Heuristics
Threat.Win.Reputation.IMP
14.7.22.5

Rising Antivirus
PE:Win32.Netsha.a!411233
23.00.65.14720

Sophos
W32/Bloat-A
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-FlyStudio
10469

Total Defense
Win32/Neshta.A
37.0.10825

Trend Micro House Call
PE_NESHTA.A
7.2.203

Trend Micro
PE_NESHTA.A
10.465.22

Vba32 AntiVirus
Virus.Win32.Neshta.a
3.12.24.3

VIPRE Antivirus
Virus.Win32.Neshta.a
27502

ViRobot
Win32.Neshta.B
2011.4.7.4223

File size:
1.1 MB (1,183,152 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Svw2hLvpZaeqjYQSsDS2wuminc3y0+FHKeUY3Ovf1ZABM3K:SvdvDaAWmJinSy/ce3+vtZWY

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
29 KB (29,696 bytes)

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

http://media.steampowered.com/client/.../SteamSetup.exe

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