mstar_downloader.exe

The executable mstar_downloader.exe has been detected as malware by 15 anti-virus scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from joy.ac.
MD5:
799211c5f234992f4369a55c18c94d76

SHA-1:
0843adf75516f249d5434acc62ce241d0296ed61

SHA-256:
dcdbb8b32b5a48b6b3f1ac1fbe3af4226db49690e7e211858caf4fca223f757d

Scanner detections:
15 / 68

Status:
File is infected by a Virus

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

Analysis date:
11/27/2024 6:27:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Jeefo.B
5819052

avast!
Win32:Gardih
151219-0

AVG
Win32/Hidrag.A
2015.0.4489

Clam AntiVirus
W32.Jeefo-3
0.98/21181

Dr.Web
Win32.HLLP.Jeefo.36352
9.0.1.05190

Emsisoft Anti-Malware
Win32.Jeefo
10.0.0.5366

ESET NOD32
Win32/Jeefo.A virus
7.0.302.0

F-Prot
W32/Jeefo.A
4.6.5.141

F-Secure
Win32.Jeefo.B
5.15.21

Kaspersky
Virus.Win32.Hidrag
15.0.0.562

McAfee
Virus.W32/Jeefo.e
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.513.0

Norman
Win32.Jeefo.B
17.12.2015 06:34:11

Sophos
Virus 'W32/Jeefo-A'
5.22

VIPRE Antivirus
Threat.55332
45918

File size:
2.4 MB (2,564,112 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
8/24/2001 6:00:00 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.55

CTPH (ssdeep):
49152:gixMWh7jxXHHelcvhmnWYL6Yz2K2nPNZFa5M+b1tH7Akka7BSbLEsUqUO:H5nhmngzUp97Rka7BSbLEsUqUO

Entry address:
0x11F0

Entry point:
55, 89, E5, 83, EC, 08, 83, C4, F4, 6A, 02, A1, C8, B2, 40, 00, FF, D0, E8, 79, FF, FF, FF, C9, C3, 00, 00, 00, 00, 00, 00, 00, 49, 6A, 65, 65, 66, 6F, 21, 45, 73, 62, 68, 70, 6F, 21, 77, 6A, 73, 76, 74, 2F, 21, 43, 70, 73, 6F, 21, 6A, 6F, 21, 62, 21, 75, 73, 70, 71, 6A, 64, 62, 6D, 21, 74, 78, 62, 6E, 71, 2F, 00, 5C, 00, 20, 00, 22, 00, 8D, 76, 00, 55, 89, E5, 8B, 4D, 08, 8B, 55, 0C, 31, C0, 39, D0, 73, 08, 00, 04, 08, 40, 39, D0, 72, F8, C9, C3, 8D, 76, 00, 55, 89, E5, 8B, 4D, 08, 8B, 55, 0C, 31, C0, 39...
 
[+]

Packer / compiler:
Video-Lan-Client

Code size:
32.5 KB (33,280 bytes)

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

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